61796440

素因数分解:

$2^3\times 5^1\times {\mathrm{709}}^1\times {\mathrm{2179}}^1$

素因数の和:2899

約数の個数: 32

約数和(自身を含む): 139302000

約数和(自身を除く): 77505560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 709, 1418, 2179, 2836, 3545, 4358, 5672, 7090, 8716, 10895, 14180, 17432, 21790, 28360, 43580, 87160, 1544911, 3089822, 6179644, 7724555, 12359288, 15449110, 30898220, 61796440]

約数ペア:

[(1, 61796440), (2, 30898220), (4, 15449110), (5, 12359288), (8, 7724555), (10, 6179644), (20, 3089822), (40, 1544911), (709, 87160), (1418, 43580), (2179, 28360), (2836, 21790), (3545, 17432), (4358, 14180), (5672, 10895), (7090, 8716)]