2018902520

素因数分解:

$2^3\times 5^1\times {\mathrm{1933}}^1\times {\mathrm{26111}}^1$

素因数の和:28055

約数の個数: 32

約数和(自身を含む): 4545054720

約数和(自身を除く): 2526152200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1933, 3866, 7732, 9665, 15464, 19330, 26111, 38660, 52222, 77320, 104444, 130555, 208888, 261110, 522220, 1044440, 50472563, 100945126, 201890252, 252362815, 403780504, 504725630, 1009451260, 2018902520]

約数ペア:

[(1, 2018902520), (2, 1009451260), (4, 504725630), (5, 403780504), (8, 252362815), (10, 201890252), (20, 100945126), (40, 50472563), (1933, 1044440), (3866, 522220), (7732, 261110), (9665, 208888), (15464, 130555), (19330, 104444), (26111, 77320), (38660, 52222)]