61464940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{99137}}^1$

素因数の和:99177

約数の個数: 24

約数和(自身を含む): 133241472

約数和(自身を除く): 71776532

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 99137, 198274, 396548, 495685, 991370, 1982740, 3073247, 6146494, 12292988, 15366235, 30732470, 61464940]

約数ペア:

[(1, 61464940), (2, 30732470), (4, 15366235), (5, 12292988), (10, 6146494), (20, 3073247), (31, 1982740), (62, 991370), (124, 495685), (155, 396548), (310, 198274), (620, 99137)]