71984560

素因数分解:

$2^4\times 5^1\times {\mathrm{899807}}^1$

素因数の和:899820

約数の個数: 20

約数和(自身を含む): 167364288

約数和(自身を除く): 95379728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 899807, 1799614, 3599228, 4499035, 7198456, 8998070, 14396912, 17996140, 35992280, 71984560]

約数ペア:

[(1, 71984560), (2, 35992280), (4, 17996140), (5, 14396912), (8, 8998070), (10, 7198456), (16, 4499035), (20, 3599228), (40, 1799614), (80, 899807)]