20140070840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{12280531}}^1$

素因数の和:12280583

約数の個数: 32

約数和(自身を含む): 46420410960

約数和(自身を除く): 26280340120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 12280531, 24561062, 49122124, 61402655, 98244248, 122805310, 245610620, 491221240, 503501771, 1007003542, 2014007084, 2517508855, 4028014168, 5035017710, 10070035420, 20140070840]

約数ペア:

[(1, 20140070840), (2, 10070035420), (4, 5035017710), (5, 4028014168), (8, 2517508855), (10, 2014007084), (20, 1007003542), (40, 503501771), (41, 491221240), (82, 245610620), (164, 122805310), (205, 98244248), (328, 61402655), (410, 49122124), (820, 24561062), (1640, 12280531)]