4111640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7907}}^1$

素因数の和:7931

約数の個数: 32

約数和(自身を含む): 9964080

約数和(自身を除く): 5852440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 7907, 15814, 31628, 39535, 63256, 79070, 102791, 158140, 205582, 316280, 411164, 513955, 822328, 1027910, 2055820, 4111640]

約数ペア:

[(1, 4111640), (2, 2055820), (4, 1027910), (5, 822328), (8, 513955), (10, 411164), (13, 316280), (20, 205582), (26, 158140), (40, 102791), (52, 79070), (65, 63256), (104, 39535), (130, 31628), (260, 15814), (520, 7907)]