72786320

素因数分解:

$2^4\times 5^1\times {\mathrm{909829}}^1$

素因数の和:909842

約数の個数: 20

約数和(自身を含む): 169228380

約数和(自身を除く): 96442060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 909829, 1819658, 3639316, 4549145, 7278632, 9098290, 14557264, 18196580, 36393160, 72786320]

約数ペア:

[(1, 72786320), (2, 36393160), (4, 18196580), (5, 14557264), (8, 9098290), (10, 7278632), (16, 4549145), (20, 3639316), (40, 1819658), (80, 909829)]