71980880

素因数分解:

$2^4\times 5^1\times {\mathrm{899761}}^1$

素因数の和:899774

約数の個数: 20

約数和(自身を含む): 167355732

約数和(自身を除く): 95374852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 899761, 1799522, 3599044, 4498805, 7198088, 8997610, 14396176, 17995220, 35990440, 71980880]

約数ペア:

[(1, 71980880), (2, 35990440), (4, 17995220), (5, 14396176), (8, 8997610), (10, 7198088), (16, 4498805), (20, 3599044), (40, 1799522), (80, 899761)]