13909880

素因数分解:

$2^3\times 5^1\times {\mathrm{347747}}^1$

素因数の和:347758

約数の個数: 16

約数和(自身を含む): 31297320

約数和(自身を除く): 17387440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 347747, 695494, 1390988, 1738735, 2781976, 3477470, 6954940, 13909880]

約数ペア:

[(1, 13909880), (2, 6954940), (4, 3477470), (5, 2781976), (8, 1738735), (10, 1390988), (20, 695494), (40, 347747)]