72888680

素因数分解:

$2^3\times 5^1\times {\mathrm{1822217}}^1$

素因数の和:1822228

約数の個数: 16

約数和(自身を含む): 163999620

約数和(自身を除く): 91110940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1822217, 3644434, 7288868, 9111085, 14577736, 18222170, 36444340, 72888680]

約数ペア:

[(1, 72888680), (2, 36444340), (4, 18222170), (5, 14577736), (8, 9111085), (10, 7288868), (20, 3644434), (40, 1822217)]