54647840

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:131

約数の個数: 144

約数和(自身を含む): 146095488

約数和(自身を除く): 91447648

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 43, 47, 52, 65, 80, 86, 94, 104, 130, 160, 169, 172, 188, 208, 215, 235, 260, 338, 344, 376, 416, 430, 470, 520, 559, 611, 676, 688, 752, 845, 860, 940, 1040, 1118, 1222, 1352, 1376, 1504, 1690, 1720, 1880, 2021, 2080, 2236, 2444, 2704, 2795, 3055, 3380, 3440, 3760, 4042, 4472, 4888, 5408, 5590, 6110, 6760, 6880, 7267, 7520, 7943, 8084, 8944, 9776, 10105, 11180, 12220, 13520, 14534, 15886, 16168, 17888, 19552, 20210, 22360, 24440, 26273, 27040, 29068, 31772, 32336, 36335, 39715, 40420, 44720, 48880, 52546, 58136, 63544, 64672, 72670, 79430, 80840, 89440, 97760, 105092, 116272, 127088, 131365, 145340, 158860, 161680, 210184, 232544, 254176, 262730, 290680, 317720, 323360, 341549, 420368, 525460, 581360, 635440, 683098, 840736, 1050920, 1162720, 1270880, 1366196, 1707745, 2101840, 2732392, 3415490, 4203680, 5464784, 6830980, 10929568, 13661960, 27323920, 54647840]

約数ペア:

[(1, 54647840), (2, 27323920), (4, 13661960), (5, 10929568), (8, 6830980), (10, 5464784), (13, 4203680), (16, 3415490), (20, 2732392), (26, 2101840), (32, 1707745), (40, 1366196), (43, 1270880), (47, 1162720), (52, 1050920), (65, 840736), (80, 683098), (86, 635440), (94, 581360), (104, 525460), (130, 420368), (160, 341549), (169, 323360), (172, 317720), (188, 290680), (208, 262730), (215, 254176), (235, 232544), (260, 210184), (338, 161680), (344, 158860), (376, 145340), (416, 131365), (430, 127088), (470, 116272), (520, 105092), (559, 97760), (611, 89440), (676, 80840), (688, 79430), (752, 72670), (845, 64672), (860, 63544), (940, 58136), (1040, 52546), (1118, 48880), (1222, 44720), (1352, 40420), (1376, 39715), (1504, 36335), (1690, 32336), (1720, 31772), (1880, 29068), (2021, 27040), (2080, 26273), (2236, 24440), (2444, 22360), (2704, 20210), (2795, 19552), (3055, 17888), (3380, 16168), (3440, 15886), (3760, 14534), (4042, 13520), (4472, 12220), (4888, 11180), (5408, 10105), (5590, 9776), (6110, 8944), (6760, 8084), (6880, 7943), (7267, 7520)]