80415080

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{32957}}^1$

素因数の和:33029

約数の個数: 32

約数和(自身を含む): 183905640

約数和(自身を除く): 103490560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 32957, 65914, 131828, 164785, 263656, 329570, 659140, 1318280, 2010377, 4020754, 8041508, 10051885, 16083016, 20103770, 40207540, 80415080]

約数ペア:

[(1, 80415080), (2, 40207540), (4, 20103770), (5, 16083016), (8, 10051885), (10, 8041508), (20, 4020754), (40, 2010377), (61, 1318280), (122, 659140), (244, 329570), (305, 263656), (488, 164785), (610, 131828), (1220, 65914), (2440, 32957)]