38221040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{257}}^1$

素因数の和:307

約数の個数: 120

約数和(自身を含む): 105381648

約数和(自身を除く): 67160608

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 169, 176, 208, 220, 257, 260, 286, 338, 440, 514, 520, 572, 676, 715, 845, 880, 1028, 1040, 1144, 1285, 1352, 1430, 1690, 1859, 2056, 2288, 2570, 2704, 2827, 2860, 3341, 3380, 3718, 4112, 5140, 5654, 5720, 6682, 6760, 7436, 9295, 10280, 11308, 11440, 13364, 13520, 14135, 14872, 16705, 18590, 20560, 22616, 26728, 28270, 29744, 33410, 36751, 37180, 43433, 45232, 53456, 56540, 66820, 73502, 74360, 86866, 113080, 133640, 147004, 148720, 173732, 183755, 217165, 226160, 267280, 294008, 347464, 367510, 434330, 477763, 588016, 694928, 735020, 868660, 955526, 1470040, 1737320, 1911052, 2388815, 2940080, 3474640, 3822104, 4777630, 7644208, 9555260, 19110520, 38221040]

約数ペア:

[(1, 38221040), (2, 19110520), (4, 9555260), (5, 7644208), (8, 4777630), (10, 3822104), (11, 3474640), (13, 2940080), (16, 2388815), (20, 1911052), (22, 1737320), (26, 1470040), (40, 955526), (44, 868660), (52, 735020), (55, 694928), (65, 588016), (80, 477763), (88, 434330), (104, 367510), (110, 347464), (130, 294008), (143, 267280), (169, 226160), (176, 217165), (208, 183755), (220, 173732), (257, 148720), (260, 147004), (286, 133640), (338, 113080), (440, 86866), (514, 74360), (520, 73502), (572, 66820), (676, 56540), (715, 53456), (845, 45232), (880, 43433), (1028, 37180), (1040, 36751), (1144, 33410), (1285, 29744), (1352, 28270), (1430, 26728), (1690, 22616), (1859, 20560), (2056, 18590), (2288, 16705), (2570, 14872), (2704, 14135), (2827, 13520), (2860, 13364), (3341, 11440), (3380, 11308), (3718, 10280), (4112, 9295), (5140, 7436), (5654, 6760), (5720, 6682)]