77872880

素因数分解:

$2^4\times 5^1\times {\mathrm{973411}}^1$

素因数の和:973424

約数の個数: 20

約数和(自身を含む): 181054632

約数和(自身を除く): 103181752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 973411, 1946822, 3893644, 4867055, 7787288, 9734110, 15574576, 19468220, 38936440, 77872880]

約数ペア:

[(1, 77872880), (2, 38936440), (4, 19468220), (5, 15574576), (8, 9734110), (10, 7787288), (16, 4867055), (20, 3893644), (40, 1946822), (80, 973411)]