2021880080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2297591}}^1$

素因数の和:2297615

約数の個数: 40

約数和(自身を含む): 5128225344

約数和(自身を除く): 3106345264

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 2297591, 4595182, 9190364, 11487955, 18380728, 22975910, 25273501, 36761456, 45951820, 50547002, 91903640, 101094004, 126367505, 183807280, 202188008, 252735010, 404376016, 505470020, 1010940040, 2021880080]

約数ペア:

[(1, 2021880080), (2, 1010940040), (4, 505470020), (5, 404376016), (8, 252735010), (10, 202188008), (11, 183807280), (16, 126367505), (20, 101094004), (22, 91903640), (40, 50547002), (44, 45951820), (55, 36761456), (80, 25273501), (88, 22975910), (110, 18380728), (176, 11487955), (220, 9190364), (440, 4595182), (880, 2297591)]