55143850

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{20809}}^1$

素因数の和:20874

約数の個数: 24

約数和(自身を含む): 104507820

約数和(自身を除く): 49363970

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 265, 530, 1325, 2650, 20809, 41618, 104045, 208090, 520225, 1040450, 1102877, 2205754, 5514385, 11028770, 27571925, 55143850]

約数ペア:

[(1, 55143850), (2, 27571925), (5, 11028770), (10, 5514385), (25, 2205754), (50, 1102877), (53, 1040450), (106, 520225), (265, 208090), (530, 104045), (1325, 41618), (2650, 20809)]