630320

素因数分解:

$2^4\times 5^1\times {\mathrm{7879}}^1$

素因数の和:7892

約数の個数: 20

約数和(自身を含む): 1465680

約数和(自身を除く): 835360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 7879, 15758, 31516, 39395, 63032, 78790, 126064, 157580, 315160, 630320]

約数ペア:

[(1, 630320), (2, 315160), (4, 157580), (5, 126064), (8, 78790), (10, 63032), (16, 39395), (20, 31516), (40, 15758), (80, 7879)]