39900275

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{421}}^1$

素因数の和:671

約数の個数: 24

約数和(自身を含む): 52746624

約数和(自身を除く): 12846349

約数列:

[1, 5, 17, 25, 85, 223, 421, 425, 1115, 2105, 3791, 5575, 7157, 10525, 18955, 35785, 93883, 94775, 178925, 469415, 1596011, 2347075, 7980055, 39900275]

約数ペア:

[(1, 39900275), (5, 7980055), (17, 2347075), (25, 1596011), (85, 469415), (223, 178925), (421, 94775), (425, 93883), (1115, 35785), (2105, 18955), (3791, 10525), (5575, 7157)]