80845220

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{14593}}^1$

素因数の和:14879

約数の個数: 24

約数和(自身を含む): 170399544

約数和(自身を除く): 89554324

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 1108, 1385, 2770, 5540, 14593, 29186, 58372, 72965, 145930, 291860, 4042261, 8084522, 16169044, 20211305, 40422610, 80845220]

約数ペア:

[(1, 80845220), (2, 40422610), (4, 20211305), (5, 16169044), (10, 8084522), (20, 4042261), (277, 291860), (554, 145930), (1108, 72965), (1385, 58372), (2770, 29186), (5540, 14593)]