71902025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{9619}}^1$

素因数の和:9665

約数の個数: 24

約数和(自身を含む): 100201920

約数和(自身を除く): 28299895

約数列:

[1, 5, 13, 23, 25, 65, 115, 299, 325, 575, 1495, 7475, 9619, 48095, 125047, 221237, 240475, 625235, 1106185, 2876081, 3126175, 5530925, 14380405, 71902025]

約数ペア:

[(1, 71902025), (5, 14380405), (13, 5530925), (23, 3126175), (25, 2876081), (65, 1106185), (115, 625235), (299, 240475), (325, 221237), (575, 125047), (1495, 48095), (7475, 9619)]