56770180

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{39979}}^1$

素因数の和:40059

約数の個数: 24

約数和(自身を含む): 120899520

約数和(自身を除く): 64129340

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 39979, 79958, 159916, 199895, 399790, 799580, 2838509, 5677018, 11354036, 14192545, 28385090, 56770180]

約数ペア:

[(1, 56770180), (2, 28385090), (4, 14192545), (5, 11354036), (10, 5677018), (20, 2838509), (71, 799580), (142, 399790), (284, 199895), (355, 159916), (710, 79958), (1420, 39979)]