2568880

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:373

約数の個数: 40

約数和(自身を含む): 6039792

約数和(自身を除く): 3470912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 197, 326, 394, 652, 788, 815, 985, 1304, 1576, 1630, 1970, 2608, 3152, 3260, 3940, 6520, 7880, 13040, 15760, 32111, 64222, 128444, 160555, 256888, 321110, 513776, 642220, 1284440, 2568880]

約数ペア:

[(1, 2568880), (2, 1284440), (4, 642220), (5, 513776), (8, 321110), (10, 256888), (16, 160555), (20, 128444), (40, 64222), (80, 32111), (163, 15760), (197, 13040), (326, 7880), (394, 6520), (652, 3940), (788, 3260), (815, 3152), (985, 2608), (1304, 1970), (1576, 1630)]