71256560

素因数分解:

$2^4\times 5^1\times {\mathrm{890707}}^1$

素因数の和:890720

約数の個数: 20

約数和(自身を含む): 165671688

約数和(自身を除く): 94415128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 890707, 1781414, 3562828, 4453535, 7125656, 8907070, 14251312, 17814140, 35628280, 71256560]

約数ペア:

[(1, 71256560), (2, 35628280), (4, 17814140), (5, 14251312), (8, 8907070), (10, 7125656), (16, 4453535), (20, 3562828), (40, 1781414), (80, 890707)]