65888440

素因数分解:

$2^3\times 5^1\times {\mathrm{1129}}^1\times {\mathrm{1459}}^1$

素因数の和:2599

約数の個数: 32

約数和(自身を含む): 148482000

約数和(自身を除く): 82593560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1129, 1459, 2258, 2918, 4516, 5645, 5836, 7295, 9032, 11290, 11672, 14590, 22580, 29180, 45160, 58360, 1647211, 3294422, 6588844, 8236055, 13177688, 16472110, 32944220, 65888440]

約数ペア:

[(1, 65888440), (2, 32944220), (4, 16472110), (5, 13177688), (8, 8236055), (10, 6588844), (20, 3294422), (40, 1647211), (1129, 58360), (1459, 45160), (2258, 29180), (2918, 22580), (4516, 14590), (5645, 11672), (5836, 11290), (7295, 9032)]