71983960

素因数分解:

$2^3\times 5^1\times {\mathrm{1799599}}^1$

素因数の和:1799610

約数の個数: 16

約数和(自身を含む): 161964000

約数和(自身を除く): 89980040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1799599, 3599198, 7198396, 8997995, 14396792, 17995990, 35991980, 71983960]

約数ペア:

[(1, 71983960), (2, 35991980), (4, 17995990), (5, 14396792), (8, 8997995), (10, 7198396), (20, 3599198), (40, 1799599)]