57263180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{220243}}^1$

素因数の和:220265

約数の個数: 24

約数和(自身を含む): 129503472

約数和(自身を除く): 72240292

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 220243, 440486, 880972, 1101215, 2202430, 2863159, 4404860, 5726318, 11452636, 14315795, 28631590, 57263180]

約数ペア:

[(1, 57263180), (2, 28631590), (4, 14315795), (5, 11452636), (10, 5726318), (13, 4404860), (20, 2863159), (26, 2202430), (52, 1101215), (65, 880972), (130, 440486), (260, 220243)]