80970040

素因数分解:

$2^3\times 5^1\times {\mathrm{461}}^1\times {\mathrm{4391}}^1$

素因数の和:4863

約数の個数: 32

約数和(自身を含む): 182619360

約数和(自身を除く): 101649320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 461, 922, 1844, 2305, 3688, 4391, 4610, 8782, 9220, 17564, 18440, 21955, 35128, 43910, 87820, 175640, 2024251, 4048502, 8097004, 10121255, 16194008, 20242510, 40485020, 80970040]

約数ペア:

[(1, 80970040), (2, 40485020), (4, 20242510), (5, 16194008), (8, 10121255), (10, 8097004), (20, 4048502), (40, 2024251), (461, 175640), (922, 87820), (1844, 43910), (2305, 35128), (3688, 21955), (4391, 18440), (4610, 17564), (8782, 9220)]