139408880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{134047}}^1$

素因数の和:134073

約数の個数: 40

約数和(自身を含む): 349060992

約数和(自身を除く): 209652112

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 134047, 268094, 536188, 670235, 1072376, 1340470, 1742611, 2144752, 2680940, 3485222, 5361880, 6970444, 8713055, 10723760, 13940888, 17426110, 27881776, 34852220, 69704440, 139408880]

約数ペア:

[(1, 139408880), (2, 69704440), (4, 34852220), (5, 27881776), (8, 17426110), (10, 13940888), (13, 10723760), (16, 8713055), (20, 6970444), (26, 5361880), (40, 3485222), (52, 2680940), (65, 2144752), (80, 1742611), (104, 1340470), (130, 1072376), (208, 670235), (260, 536188), (520, 268094), (1040, 134047)]