15608240

素因数分解:

$2^4\times 5^1\times {\mathrm{195103}}^1$

素因数の和:195116

約数の個数: 20

約数和(自身を含む): 36289344

約数和(自身を除く): 20681104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 195103, 390206, 780412, 975515, 1560824, 1951030, 3121648, 3902060, 7804120, 15608240]

約数ペア:

[(1, 15608240), (2, 7804120), (4, 3902060), (5, 3121648), (8, 1951030), (10, 1560824), (16, 975515), (20, 780412), (40, 390206), (80, 195103)]