55155620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{691}}^1$

素因数の和:1020

約数の個数: 48

約数和(自身を含む): 125323968

約数和(自身を除く): 70168348

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 307, 614, 691, 1228, 1382, 1535, 2764, 3070, 3455, 3991, 6140, 6910, 7982, 8983, 13820, 15964, 17966, 19955, 35932, 39910, 44915, 79820, 89830, 179660, 212137, 424274, 848548, 1060685, 2121370, 2757781, 4242740, 5515562, 11031124, 13788905, 27577810, 55155620]

約数ペア:

[(1, 55155620), (2, 27577810), (4, 13788905), (5, 11031124), (10, 5515562), (13, 4242740), (20, 2757781), (26, 2121370), (52, 1060685), (65, 848548), (130, 424274), (260, 212137), (307, 179660), (614, 89830), (691, 79820), (1228, 44915), (1382, 39910), (1535, 35932), (2764, 19955), (3070, 17966), (3455, 15964), (3991, 13820), (6140, 8983), (6910, 7982)]