7889969480

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{27809}}^1$

素因数の和:28034

約数の個数: 64

約数和(自身を含む): 18291193200

約数和(自身を除く): 10401223720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 173, 205, 328, 346, 410, 692, 820, 865, 1384, 1640, 1730, 3460, 6920, 7093, 14186, 27809, 28372, 35465, 55618, 56744, 70930, 111236, 139045, 141860, 222472, 278090, 283720, 556180, 1112360, 1140169, 2280338, 4560676, 4810957, 5700845, 9121352, 9621914, 11401690, 19243828, 22803380, 24054785, 38487656, 45606760, 48109570, 96219140, 192438280, 197249237, 394498474, 788996948, 986246185, 1577993896, 1972492370, 3944984740, 7889969480]

約数ペア:

[(1, 7889969480), (2, 3944984740), (4, 1972492370), (5, 1577993896), (8, 986246185), (10, 788996948), (20, 394498474), (40, 197249237), (41, 192438280), (82, 96219140), (164, 48109570), (173, 45606760), (205, 38487656), (328, 24054785), (346, 22803380), (410, 19243828), (692, 11401690), (820, 9621914), (865, 9121352), (1384, 5700845), (1640, 4810957), (1730, 4560676), (3460, 2280338), (6920, 1140169), (7093, 1112360), (14186, 556180), (27809, 283720), (28372, 278090), (35465, 222472), (55618, 141860), (56744, 139045), (70930, 111236)]