65891120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^2$

素因数の和:370

約数の個数: 60

約数和(自身を含む): 159114816

約数和(自身を除く): 93223696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 163, 248, 310, 326, 496, 620, 652, 815, 1240, 1304, 1630, 2480, 2608, 3260, 5053, 6520, 10106, 13040, 20212, 25265, 26569, 40424, 50530, 53138, 80848, 101060, 106276, 132845, 202120, 212552, 265690, 404240, 425104, 531380, 823639, 1062760, 1647278, 2125520, 3294556, 4118195, 6589112, 8236390, 13178224, 16472780, 32945560, 65891120]

約数ペア:

[(1, 65891120), (2, 32945560), (4, 16472780), (5, 13178224), (8, 8236390), (10, 6589112), (16, 4118195), (20, 3294556), (31, 2125520), (40, 1647278), (62, 1062760), (80, 823639), (124, 531380), (155, 425104), (163, 404240), (248, 265690), (310, 212552), (326, 202120), (496, 132845), (620, 106276), (652, 101060), (815, 80848), (1240, 53138), (1304, 50530), (1630, 40424), (2480, 26569), (2608, 25265), (3260, 20212), (5053, 13040), (6520, 10106)]