71539120

素因数分解:

$2^4\times 5^1\times {\mathrm{894239}}^1$

素因数の和:894252

約数の個数: 20

約数和(自身を含む): 166328640

約数和(自身を除く): 94789520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 894239, 1788478, 3576956, 4471195, 7153912, 8942390, 14307824, 17884780, 35769560, 71539120]

約数ペア:

[(1, 71539120), (2, 35769560), (4, 17884780), (5, 14307824), (8, 8942390), (10, 7153912), (16, 4471195), (20, 3576956), (40, 1788478), (80, 894239)]