31176080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{967}}^1$

素因数の和:1024

約数の個数: 80

約数和(自身を含む): 80661504

約数和(自身を除く): 49485424

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 967, 1040, 1240, 1612, 1934, 2015, 2480, 3224, 3868, 4030, 4835, 6448, 7736, 8060, 9670, 12571, 15472, 16120, 19340, 25142, 29977, 32240, 38680, 50284, 59954, 62855, 77360, 100568, 119908, 125710, 149885, 201136, 239816, 251420, 299770, 389701, 479632, 502840, 599540, 779402, 1005680, 1199080, 1558804, 1948505, 2398160, 3117608, 3897010, 6235216, 7794020, 15588040, 31176080]

約数ペア:

[(1, 31176080), (2, 15588040), (4, 7794020), (5, 6235216), (8, 3897010), (10, 3117608), (13, 2398160), (16, 1948505), (20, 1558804), (26, 1199080), (31, 1005680), (40, 779402), (52, 599540), (62, 502840), (65, 479632), (80, 389701), (104, 299770), (124, 251420), (130, 239816), (155, 201136), (208, 149885), (248, 125710), (260, 119908), (310, 100568), (403, 77360), (496, 62855), (520, 59954), (620, 50284), (806, 38680), (967, 32240), (1040, 29977), (1240, 25142), (1612, 19340), (1934, 16120), (2015, 15472), (2480, 12571), (3224, 9670), (3868, 8060), (4030, 7736), (4835, 6448)]