68028725

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1439}}^1$

素因数の和:1541

約数の個数: 24

約数和(自身を含む): 88565760

約数和(自身を除く): 20537035

約数列:

[1, 5, 25, 31, 61, 155, 305, 775, 1439, 1525, 1891, 7195, 9455, 35975, 44609, 47275, 87779, 223045, 438895, 1115225, 2194475, 2721149, 13605745, 68028725]

約数ペア:

[(1, 68028725), (5, 13605745), (25, 2721149), (31, 2194475), (61, 1115225), (155, 438895), (305, 223045), (775, 87779), (1439, 47275), (1525, 44609), (1891, 35975), (7195, 9455)]