138826040

素因数分解:

$2^3\times 5^1\times {\mathrm{701}}^1\times {\mathrm{4951}}^1$

素因数の和:5663

約数の個数: 32

約数和(自身を含む): 312867360

約数和(自身を除く): 174041320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 701, 1402, 2804, 3505, 4951, 5608, 7010, 9902, 14020, 19804, 24755, 28040, 39608, 49510, 99020, 198040, 3470651, 6941302, 13882604, 17353255, 27765208, 34706510, 69413020, 138826040]

約数ペア:

[(1, 138826040), (2, 69413020), (4, 34706510), (5, 27765208), (8, 17353255), (10, 13882604), (20, 6941302), (40, 3470651), (701, 198040), (1402, 99020), (2804, 49510), (3505, 39608), (4951, 28040), (5608, 24755), (7010, 19804), (9902, 14020)]