40662725

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{397}}^1$

素因数の和:665

約数の個数: 24

約数和(自身を含む): 53744328

約数和(自身を除く): 13081603

約数列:

[1, 5, 17, 25, 85, 241, 397, 425, 1205, 1985, 4097, 6025, 6749, 9925, 20485, 33745, 95677, 102425, 168725, 478385, 1626509, 2391925, 8132545, 40662725]

約数ペア:

[(1, 40662725), (5, 8132545), (17, 2391925), (25, 1626509), (85, 478385), (241, 168725), (397, 102425), (425, 95677), (1205, 33745), (1985, 20485), (4097, 9925), (6025, 6749)]