72328240

素因数分解:

$2^4\times 5^1\times {\mathrm{904103}}^1$

素因数の和:904116

約数の個数: 20

約数和(自身を含む): 168163344

約数和(自身を除く): 95835104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 904103, 1808206, 3616412, 4520515, 7232824, 9041030, 14465648, 18082060, 36164120, 72328240]

約数ペア:

[(1, 72328240), (2, 36164120), (4, 18082060), (5, 14465648), (8, 9041030), (10, 7232824), (16, 4520515), (20, 3616412), (40, 1808206), (80, 904103)]