49481980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{40559}}^1$

素因数の和:40629

約数の個数: 24

約数和(自身を含む): 105618240

約数和(自身を除く): 56136260

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 40559, 81118, 162236, 202795, 405590, 811180, 2474099, 4948198, 9896396, 12370495, 24740990, 49481980]

約数ペア:

[(1, 49481980), (2, 24740990), (4, 12370495), (5, 9896396), (10, 4948198), (20, 2474099), (61, 811180), (122, 405590), (244, 202795), (305, 162236), (610, 81118), (1220, 40559)]