79956080

素因数分解:

$2^4\times 5^1\times {\mathrm{999451}}^1$

素因数の和:999464

約数の個数: 20

約数和(自身を含む): 185898072

約数和(自身を除く): 105941992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 999451, 1998902, 3997804, 4997255, 7995608, 9994510, 15991216, 19989020, 39978040, 79956080]

約数ペア:

[(1, 79956080), (2, 39978040), (4, 19989020), (5, 15991216), (8, 9994510), (10, 7995608), (16, 4997255), (20, 3997804), (40, 1998902), (80, 999451)]