8456440

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1297}}^1$

素因数の和:1471

約数の個数: 32

約数和(自身を含む): 19158480

約数和(自身を除く): 10702040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1297, 1304, 1630, 2594, 3260, 5188, 6485, 6520, 10376, 12970, 25940, 51880, 211411, 422822, 845644, 1057055, 1691288, 2114110, 4228220, 8456440]

約数ペア:

[(1, 8456440), (2, 4228220), (4, 2114110), (5, 1691288), (8, 1057055), (10, 845644), (20, 422822), (40, 211411), (163, 51880), (326, 25940), (652, 12970), (815, 10376), (1297, 6520), (1304, 6485), (1630, 5188), (2594, 3260)]