15857440

素因数分解:

$2^5\times 5^1\times {\mathrm{99109}}^1$

素因数の和:99124

約数の個数: 24

約数和(自身を含む): 37463580

約数和(自身を除く): 21606140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 99109, 198218, 396436, 495545, 792872, 991090, 1585744, 1982180, 3171488, 3964360, 7928720, 15857440]

約数ペア:

[(1, 15857440), (2, 7928720), (4, 3964360), (5, 3171488), (8, 1982180), (10, 1585744), (16, 991090), (20, 792872), (32, 495545), (40, 396436), (80, 198218), (160, 99109)]