20081240080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22819591}}^1$

素因数の和:22819615

約数の個数: 40

約数和(自身を含む): 50933329344

約数和(自身を除く): 30852089264

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 22819591, 45639182, 91278364, 114097955, 182556728, 228195910, 251015501, 365113456, 456391820, 502031002, 912783640, 1004062004, 1255077505, 1825567280, 2008124008, 2510155010, 4016248016, 5020310020, 10040620040, 20081240080]

約数ペア:

[(1, 20081240080), (2, 10040620040), (4, 5020310020), (5, 4016248016), (8, 2510155010), (10, 2008124008), (11, 1825567280), (16, 1255077505), (20, 1004062004), (22, 912783640), (40, 502031002), (44, 456391820), (55, 365113456), (80, 251015501), (88, 228195910), (110, 182556728), (176, 114097955), (220, 91278364), (440, 45639182), (880, 22819591)]