40447615

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{151}}^1\times {\mathrm{317}}^1$

素因数の和:499

約数の個数: 24

約数和(自身を含む): 53072928

約数和(自身を除く): 12625313

約数列:

[1, 5, 13, 65, 151, 169, 317, 755, 845, 1585, 1963, 4121, 9815, 20605, 25519, 47867, 53573, 127595, 239335, 267865, 622271, 3111355, 8089523, 40447615]

約数ペア:

[(1, 40447615), (5, 8089523), (13, 3111355), (65, 622271), (151, 267865), (169, 239335), (317, 127595), (755, 53573), (845, 47867), (1585, 25519), (1963, 20605), (4121, 9815)]