56428580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{217033}}^1$

素因数の和:217055

約数の個数: 24

約数和(自身を含む): 127615992

約数和(自身を除く): 71187412

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 217033, 434066, 868132, 1085165, 2170330, 2821429, 4340660, 5642858, 11285716, 14107145, 28214290, 56428580]

約数ペア:

[(1, 56428580), (2, 28214290), (4, 14107145), (5, 11285716), (10, 5642858), (13, 4340660), (20, 2821429), (26, 2170330), (52, 1085165), (65, 868132), (130, 434066), (260, 217033)]