80970928

素因数分解:

$2^4\times {\mathrm{503}}^1\times {\mathrm{10061}}^1$

素因数の和:10572

約数の個数: 20

約数和(自身を含む): 157208688

約数和(自身を除く): 76237760

約数列:

[1, 2, 4, 8, 16, 503, 1006, 2012, 4024, 8048, 10061, 20122, 40244, 80488, 160976, 5060683, 10121366, 20242732, 40485464, 80970928]

約数ペア:

[(1, 80970928), (2, 40485464), (4, 20242732), (8, 10121366), (16, 5060683), (503, 160976), (1006, 80488), (2012, 40244), (4024, 20122), (8048, 10061)]