13980280

素因数分解:

$2^3\times 5^1\times {\mathrm{349507}}^1$

素因数の和:349518

約数の個数: 16

約数和(自身を含む): 31455720

約数和(自身を除く): 17475440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 349507, 699014, 1398028, 1747535, 2796056, 3495070, 6990140, 13980280]

約数ペア:

[(1, 13980280), (2, 6990140), (4, 3495070), (5, 2796056), (8, 1747535), (10, 1398028), (20, 699014), (40, 349507)]