28647698680

素因数分解:

$2^3\times 5^1\times {\mathrm{673}}^1\times {\mathrm{1064179}}^1$

素因数の和:1064863

約数の個数: 32

約数和(自身を含む): 64553158800

約数和(自身を除く): 35905460120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 673, 1346, 2692, 3365, 5384, 6730, 13460, 26920, 1064179, 2128358, 4256716, 5320895, 8513432, 10641790, 21283580, 42567160, 716192467, 1432384934, 2864769868, 3580962335, 5729539736, 7161924670, 14323849340, 28647698680]

約数ペア:

[(1, 28647698680), (2, 14323849340), (4, 7161924670), (5, 5729539736), (8, 3580962335), (10, 2864769868), (20, 1432384934), (40, 716192467), (673, 42567160), (1346, 21283580), (2692, 10641790), (3365, 8513432), (5384, 5320895), (6730, 4256716), (13460, 2128358), (26920, 1064179)]