80020550

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{22541}}^1$

素因数の和:22624

約数の個数: 24

約数和(自身を含む): 150941232

約数和(自身を除く): 70920682

約数列:

[1, 2, 5, 10, 25, 50, 71, 142, 355, 710, 1775, 3550, 22541, 45082, 112705, 225410, 563525, 1127050, 1600411, 3200822, 8002055, 16004110, 40010275, 80020550]

約数ペア:

[(1, 80020550), (2, 40010275), (5, 16004110), (10, 8002055), (25, 3200822), (50, 1600411), (71, 1127050), (142, 563525), (355, 225410), (710, 112705), (1775, 45082), (3550, 22541)]