25554680

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{2081}}^1$

素因数の和:2399

約数の個数: 32

約数和(自身を含む): 57713040

約数和(自身を除く): 32158360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2081, 2456, 3070, 4162, 6140, 8324, 10405, 12280, 16648, 20810, 41620, 83240, 638867, 1277734, 2555468, 3194335, 5110936, 6388670, 12777340, 25554680]

約数ペア:

[(1, 25554680), (2, 12777340), (4, 6388670), (5, 5110936), (8, 3194335), (10, 2555468), (20, 1277734), (40, 638867), (307, 83240), (614, 41620), (1228, 20810), (1535, 16648), (2081, 12280), (2456, 10405), (3070, 8324), (4162, 6140)]