80785240

素因数分解:

$2^3\times 5^1\times {\mathrm{683}}^1\times {\mathrm{2957}}^1$

素因数の和:3651

約数の個数: 32

約数和(自身を含む): 182094480

約数和(自身を除く): 101309240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 683, 1366, 2732, 2957, 3415, 5464, 5914, 6830, 11828, 13660, 14785, 23656, 27320, 29570, 59140, 118280, 2019631, 4039262, 8078524, 10098155, 16157048, 20196310, 40392620, 80785240]

約数ペア:

[(1, 80785240), (2, 40392620), (4, 20196310), (5, 16157048), (8, 10098155), (10, 8078524), (20, 4039262), (40, 2019631), (683, 118280), (1366, 59140), (2732, 29570), (2957, 27320), (3415, 23656), (5464, 14785), (5914, 13660), (6830, 11828)]