56456270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{14009}}^1$

素因数の和:14060

約数の個数: 32

約数和(自身を含む): 112976640

約数和(自身を除く): 56520370

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 14009, 28018, 70045, 140090, 182117, 364234, 434279, 868558, 910585, 1821170, 2171395, 4342790, 5645627, 11291254, 28228135, 56456270]

約数ペア:

[(1, 56456270), (2, 28228135), (5, 11291254), (10, 5645627), (13, 4342790), (26, 2171395), (31, 1821170), (62, 910585), (65, 868558), (130, 434279), (155, 364234), (310, 182117), (403, 140090), (806, 70045), (2015, 28018), (4030, 14009)]