71665025

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{1039}}^1$

素因数の和:1169

約数の個数: 24

約数和(自身を含む): 92851200

約数和(自身を除く): 21186175

約数列:

[1, 5, 25, 31, 89, 155, 445, 775, 1039, 2225, 2759, 5195, 13795, 25975, 32209, 68975, 92471, 161045, 462355, 805225, 2311775, 2866601, 14333005, 71665025]

約数ペア:

[(1, 71665025), (5, 14333005), (25, 2866601), (31, 2311775), (89, 805225), (155, 462355), (445, 161045), (775, 92471), (1039, 68975), (2225, 32209), (2759, 25975), (5195, 13795)]