2220251920

素因数分解:

$2^4\times 5^1\times {\mathrm{521}}^1\times {\mathrm{53269}}^1$

素因数の和:53803

約数の個数: 40

約数和(自身を含む): 5172090840

約数和(自身を除く): 2951838920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 521, 1042, 2084, 2605, 4168, 5210, 8336, 10420, 20840, 41680, 53269, 106538, 213076, 266345, 426152, 532690, 852304, 1065380, 2130760, 4261520, 27753149, 55506298, 111012596, 138765745, 222025192, 277531490, 444050384, 555062980, 1110125960, 2220251920]

約数ペア:

[(1, 2220251920), (2, 1110125960), (4, 555062980), (5, 444050384), (8, 277531490), (10, 222025192), (16, 138765745), (20, 111012596), (40, 55506298), (80, 27753149), (521, 4261520), (1042, 2130760), (2084, 1065380), (2605, 852304), (4168, 532690), (5210, 426152), (8336, 266345), (10420, 213076), (20840, 106538), (41680, 53269)]