28770950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{44263}}^1$

素因数の和:44288

約数の個数: 24

約数和(自身を含む): 57631728

約数和(自身を除く): 28860778

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 44263, 88526, 221315, 442630, 575419, 1106575, 1150838, 2213150, 2877095, 5754190, 14385475, 28770950]

約数ペア:

[(1, 28770950), (2, 14385475), (5, 5754190), (10, 2877095), (13, 2213150), (25, 1150838), (26, 1106575), (50, 575419), (65, 442630), (130, 221315), (325, 88526), (650, 44263)]