25764440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49547}}^1$

素因数の和:49571

約数の個数: 32

約数和(自身を含む): 62430480

約数和(自身を除く): 36666040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 49547, 99094, 198188, 247735, 396376, 495470, 644111, 990940, 1288222, 1981880, 2576444, 3220555, 5152888, 6441110, 12882220, 25764440]

約数ペア:

[(1, 25764440), (2, 12882220), (4, 6441110), (5, 5152888), (8, 3220555), (10, 2576444), (13, 1981880), (20, 1288222), (26, 990940), (40, 644111), (52, 495470), (65, 396376), (104, 247735), (130, 198188), (260, 99094), (520, 49547)]