8000080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9091}}^1$

素因数の和:9115

約数の個数: 40

約数和(自身を含む): 20293344

約数和(自身を除く): 12293264

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 9091, 18182, 36364, 45455, 72728, 90910, 100001, 145456, 181820, 200002, 363640, 400004, 500005, 727280, 800008, 1000010, 1600016, 2000020, 4000040, 8000080]

約数ペア:

[(1, 8000080), (2, 4000040), (4, 2000020), (5, 1600016), (8, 1000010), (10, 800008), (11, 727280), (16, 500005), (20, 400004), (22, 363640), (40, 200002), (44, 181820), (55, 145456), (80, 100001), (88, 90910), (110, 72728), (176, 45455), (220, 36364), (440, 18182), (880, 9091)]