15678438680

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5520577}}^1$

素因数の和:5520659

約数の個数: 32

約数和(自身を含む): 35773345440

約数和(自身を除く): 20094906760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 5520577, 11041154, 22082308, 27602885, 44164616, 55205770, 110411540, 220823080, 391960967, 783921934, 1567843868, 1959804835, 3135687736, 3919609670, 7839219340, 15678438680]

約数ペア:

[(1, 15678438680), (2, 7839219340), (4, 3919609670), (5, 3135687736), (8, 1959804835), (10, 1567843868), (20, 783921934), (40, 391960967), (71, 220823080), (142, 110411540), (284, 55205770), (355, 44164616), (568, 27602885), (710, 22082308), (1420, 11041154), (2840, 5520577)]