2031640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3907}}^1$

素因数の和:3931

約数の個数: 32

約数和(自身を含む): 4924080

約数和(自身を除く): 2892440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 3907, 7814, 15628, 19535, 31256, 39070, 50791, 78140, 101582, 156280, 203164, 253955, 406328, 507910, 1015820, 2031640]

約数ペア:

[(1, 2031640), (2, 1015820), (4, 507910), (5, 406328), (8, 253955), (10, 203164), (13, 156280), (20, 101582), (26, 78140), (40, 50791), (52, 39070), (65, 31256), (104, 19535), (130, 15628), (260, 7814), (520, 3907)]