1279740025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{1579}}^1\times {\mathrm{1907}}^1$

素因数の和:3513

約数の個数: 24

約数和(自身を含む): 1682169120

約数和(自身を除く): 402429095

約数列:

[1, 5, 17, 25, 85, 425, 1579, 1907, 7895, 9535, 26843, 32419, 39475, 47675, 134215, 162095, 671075, 810475, 3011153, 15055765, 51189601, 75278825, 255948005, 1279740025]

約数ペア:

[(1, 1279740025), (5, 255948005), (17, 75278825), (25, 51189601), (85, 15055765), (425, 3011153), (1579, 810475), (1907, 671075), (7895, 162095), (9535, 134215), (26843, 47675), (32419, 39475)]