130053820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{1223}}^1$

素因数の和:1654

約数の個数: 48

約数和(自身を含む): 295081920

約数和(自身を除く): 165028100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 409, 818, 1223, 1636, 2045, 2446, 4090, 4892, 5317, 6115, 8180, 10634, 12230, 15899, 21268, 24460, 26585, 31798, 53170, 63596, 79495, 106340, 158990, 317980, 500207, 1000414, 2000828, 2501035, 5002070, 6502691, 10004140, 13005382, 26010764, 32513455, 65026910, 130053820]

約数ペア:

[(1, 130053820), (2, 65026910), (4, 32513455), (5, 26010764), (10, 13005382), (13, 10004140), (20, 6502691), (26, 5002070), (52, 2501035), (65, 2000828), (130, 1000414), (260, 500207), (409, 317980), (818, 158990), (1223, 106340), (1636, 79495), (2045, 63596), (2446, 53170), (4090, 31798), (4892, 26585), (5317, 24460), (6115, 21268), (8180, 15899), (10634, 12230)]