13786840

素因数分解:

$2^3\times 5^1\times {\mathrm{344671}}^1$

素因数の和:344682

約数の個数: 16

約数和(自身を含む): 31020480

約数和(自身を除く): 17233640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 344671, 689342, 1378684, 1723355, 2757368, 3446710, 6893420, 13786840]

約数ペア:

[(1, 13786840), (2, 6893420), (4, 3446710), (5, 2757368), (8, 1723355), (10, 1378684), (20, 689342), (40, 344671)]