40872880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{16481}}^1$

素因数の和:16525

約数の個数: 40

約数和(自身を含む): 98100864

約数和(自身を除く): 57227984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 16481, 32962, 65924, 82405, 131848, 164810, 263696, 329620, 510911, 659240, 1021822, 1318480, 2043644, 2554555, 4087288, 5109110, 8174576, 10218220, 20436440, 40872880]

約数ペア:

[(1, 40872880), (2, 20436440), (4, 10218220), (5, 8174576), (8, 5109110), (10, 4087288), (16, 2554555), (20, 2043644), (31, 1318480), (40, 1021822), (62, 659240), (80, 510911), (124, 329620), (155, 263696), (248, 164810), (310, 131848), (496, 82405), (620, 65924), (1240, 32962), (2480, 16481)]