320176580

素因数分解:

$2^2\times 5^1\times {\mathrm{997}}^1\times {\mathrm{16057}}^1$

素因数の和:17063

約数の個数: 24

約数和(自身を含む): 673087128

約数和(自身を除く): 352910548

約数列:

[1, 2, 4, 5, 10, 20, 997, 1994, 3988, 4985, 9970, 16057, 19940, 32114, 64228, 80285, 160570, 321140, 16008829, 32017658, 64035316, 80044145, 160088290, 320176580]

約数ペア:

[(1, 320176580), (2, 160088290), (4, 80044145), (5, 64035316), (10, 32017658), (20, 16008829), (997, 321140), (1994, 160570), (3988, 80285), (4985, 64228), (9970, 32114), (16057, 19940)]