49989680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{677}}^1$

素因数の和:774

約数の個数: 80

約数和(自身を含む): 127116864

約数和(自身を除く): 77127184

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 71, 80, 104, 130, 142, 208, 260, 284, 355, 520, 568, 677, 710, 923, 1040, 1136, 1354, 1420, 1846, 2708, 2840, 3385, 3692, 4615, 5416, 5680, 6770, 7384, 8801, 9230, 10832, 13540, 14768, 17602, 18460, 27080, 35204, 36920, 44005, 48067, 54160, 70408, 73840, 88010, 96134, 140816, 176020, 192268, 240335, 352040, 384536, 480670, 624871, 704080, 769072, 961340, 1249742, 1922680, 2499484, 3124355, 3845360, 4998968, 6248710, 9997936, 12497420, 24994840, 49989680]

約数ペア:

[(1, 49989680), (2, 24994840), (4, 12497420), (5, 9997936), (8, 6248710), (10, 4998968), (13, 3845360), (16, 3124355), (20, 2499484), (26, 1922680), (40, 1249742), (52, 961340), (65, 769072), (71, 704080), (80, 624871), (104, 480670), (130, 384536), (142, 352040), (208, 240335), (260, 192268), (284, 176020), (355, 140816), (520, 96134), (568, 88010), (677, 73840), (710, 70408), (923, 54160), (1040, 48067), (1136, 44005), (1354, 36920), (1420, 35204), (1846, 27080), (2708, 18460), (2840, 17602), (3385, 14768), (3692, 13540), (4615, 10832), (5416, 9230), (5680, 8801), (6770, 7384)]