72961880

素因数分解:

$2^3\times 5^1\times {\mathrm{1824047}}^1$

素因数の和:1824058

約数の個数: 16

約数和(自身を含む): 164164320

約数和(自身を除く): 91202440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1824047, 3648094, 7296188, 9120235, 14592376, 18240470, 36480940, 72961880]

約数ペア:

[(1, 72961880), (2, 36480940), (4, 18240470), (5, 14592376), (8, 9120235), (10, 7296188), (20, 3648094), (40, 1824047)]