39172720

素因数分解:

$2^4\times 5^1\times {\mathrm{489659}}^1$

素因数の和:489672

約数の個数: 20

約数和(自身を含む): 91076760

約数和(自身を除く): 51904040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 489659, 979318, 1958636, 2448295, 3917272, 4896590, 7834544, 9793180, 19586360, 39172720]

約数ペア:

[(1, 39172720), (2, 19586360), (4, 9793180), (5, 7834544), (8, 4896590), (10, 3917272), (16, 2448295), (20, 1958636), (40, 979318), (80, 489659)]