2021587880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{49211}}^1$

素因数の和:49314

約数の個数: 64

約数和(自身を含む): 4960569600

約数和(自身を除く): 2938981720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 79, 104, 130, 158, 260, 316, 395, 520, 632, 790, 1027, 1580, 2054, 3160, 4108, 5135, 8216, 10270, 20540, 41080, 49211, 98422, 196844, 246055, 393688, 492110, 639743, 984220, 1279486, 1968440, 2558972, 3198715, 3887669, 5117944, 6397430, 7775338, 12794860, 15550676, 19438345, 25589720, 31101352, 38876690, 50539697, 77753380, 101079394, 155506760, 202158788, 252698485, 404317576, 505396970, 1010793940, 2021587880]

約数ペア:

[(1, 2021587880), (2, 1010793940), (4, 505396970), (5, 404317576), (8, 252698485), (10, 202158788), (13, 155506760), (20, 101079394), (26, 77753380), (40, 50539697), (52, 38876690), (65, 31101352), (79, 25589720), (104, 19438345), (130, 15550676), (158, 12794860), (260, 7775338), (316, 6397430), (395, 5117944), (520, 3887669), (632, 3198715), (790, 2558972), (1027, 1968440), (1580, 1279486), (2054, 984220), (3160, 639743), (4108, 492110), (5135, 393688), (8216, 246055), (10270, 196844), (20540, 98422), (41080, 49211)]