520017895

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1\times {\mathrm{4153}}^1$

素因数の和:4554

約数の個数: 16

約数和(自身を含む): 634066560

約数和(自身を除く): 114048665

約数列:

[1, 5, 79, 317, 395, 1585, 4153, 20765, 25043, 125215, 328087, 1316501, 1640435, 6582505, 104003579, 520017895]

約数ペア:

[(1, 520017895), (5, 104003579), (79, 6582505), (317, 1640435), (395, 1316501), (1585, 328087), (4153, 125215), (20765, 25043)]