81152875

素因数分解:

$5^3\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{367}}^1$

素因数の和:472

約数の個数: 32

約数和(自身を含む): 106778880

約数和(自身を除く): 25626005

約数列:

[1, 5, 25, 29, 61, 125, 145, 305, 367, 725, 1525, 1769, 1835, 3625, 7625, 8845, 9175, 10643, 22387, 44225, 45875, 53215, 111935, 221125, 266075, 559675, 649223, 1330375, 2798375, 3246115, 16230575, 81152875]

約数ペア:

[(1, 81152875), (5, 16230575), (25, 3246115), (29, 2798375), (61, 1330375), (125, 649223), (145, 559675), (305, 266075), (367, 221125), (725, 111935), (1525, 53215), (1769, 45875), (1835, 44225), (3625, 22387), (7625, 10643), (8845, 9175)]