49780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:159

約数の個数: 24

約数和(自身を含む): 110880

約数和(自身を除く): 61100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 131, 190, 262, 380, 524, 655, 1310, 2489, 2620, 4978, 9956, 12445, 24890, 49780]

約数ペア:

[(1, 49780), (2, 24890), (4, 12445), (5, 9956), (10, 4978), (19, 2620), (20, 2489), (38, 1310), (76, 655), (95, 524), (131, 380), (190, 262)]