25505480

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^2$

素因数の和:69

約数の個数: 192

約数和(自身を含む): 79056000

約数和(自身を除く): 53550520

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 49, 52, 55, 56, 65, 70, 77, 88, 91, 98, 104, 110, 130, 140, 143, 154, 169, 182, 196, 220, 245, 260, 280, 286, 308, 338, 343, 364, 385, 392, 440, 455, 490, 520, 539, 572, 616, 637, 676, 686, 715, 728, 770, 845, 910, 980, 1001, 1078, 1144, 1183, 1274, 1352, 1372, 1430, 1540, 1690, 1715, 1820, 1859, 1960, 2002, 2156, 2366, 2548, 2695, 2744, 2860, 3080, 3185, 3380, 3430, 3640, 3718, 3773, 4004, 4312, 4459, 4732, 5005, 5096, 5390, 5720, 5915, 6370, 6760, 6860, 7007, 7436, 7546, 8008, 8281, 8918, 9295, 9464, 10010, 10780, 11830, 12740, 13013, 13720, 14014, 14872, 15092, 16562, 17836, 18590, 18865, 20020, 21560, 22295, 23660, 25480, 26026, 28028, 30184, 33124, 35035, 35672, 37180, 37730, 40040, 41405, 44590, 47320, 49049, 52052, 56056, 57967, 65065, 66248, 70070, 74360, 75460, 82810, 89180, 91091, 98098, 104104, 115934, 130130, 140140, 150920, 165620, 178360, 182182, 196196, 231868, 245245, 260260, 280280, 289835, 331240, 364364, 392392, 455455, 463736, 490490, 520520, 579670, 637637, 728728, 910910, 980980, 1159340, 1275274, 1821820, 1961960, 2318680, 2550548, 3188185, 3643640, 5101096, 6376370, 12752740, 25505480]

約数ペア:

[(1, 25505480), (2, 12752740), (4, 6376370), (5, 5101096), (7, 3643640), (8, 3188185), (10, 2550548), (11, 2318680), (13, 1961960), (14, 1821820), (20, 1275274), (22, 1159340), (26, 980980), (28, 910910), (35, 728728), (40, 637637), (44, 579670), (49, 520520), (52, 490490), (55, 463736), (56, 455455), (65, 392392), (70, 364364), (77, 331240), (88, 289835), (91, 280280), (98, 260260), (104, 245245), (110, 231868), (130, 196196), (140, 182182), (143, 178360), (154, 165620), (169, 150920), (182, 140140), (196, 130130), (220, 115934), (245, 104104), (260, 98098), (280, 91091), (286, 89180), (308, 82810), (338, 75460), (343, 74360), (364, 70070), (385, 66248), (392, 65065), (440, 57967), (455, 56056), (490, 52052), (520, 49049), (539, 47320), (572, 44590), (616, 41405), (637, 40040), (676, 37730), (686, 37180), (715, 35672), (728, 35035), (770, 33124), (845, 30184), (910, 28028), (980, 26026), (1001, 25480), (1078, 23660), (1144, 22295), (1183, 21560), (1274, 20020), (1352, 18865), (1372, 18590), (1430, 17836), (1540, 16562), (1690, 15092), (1715, 14872), (1820, 14014), (1859, 13720), (1960, 13013), (2002, 12740), (2156, 11830), (2366, 10780), (2548, 10010), (2695, 9464), (2744, 9295), (2860, 8918), (3080, 8281), (3185, 8008), (3380, 7546), (3430, 7436), (3640, 7007), (3718, 6860), (3773, 6760), (4004, 6370), (4312, 5915), (4459, 5720), (4732, 5390), (5005, 5096)]