2045166040

素因数分解:

$2^3\times 5^1\times {\mathrm{997}}^1\times {\mathrm{51283}}^1$

素因数の和:52291

約数の個数: 32

約数和(自身を含む): 4606328880

約数和(自身を除く): 2561162840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 997, 1994, 3988, 4985, 7976, 9970, 19940, 39880, 51283, 102566, 205132, 256415, 410264, 512830, 1025660, 2051320, 51129151, 102258302, 204516604, 255645755, 409033208, 511291510, 1022583020, 2045166040]

約数ペア:

[(1, 2045166040), (2, 1022583020), (4, 511291510), (5, 409033208), (8, 255645755), (10, 204516604), (20, 102258302), (40, 51129151), (997, 2051320), (1994, 1025660), (3988, 512830), (4985, 410264), (7976, 256415), (9970, 205132), (19940, 102566), (39880, 51283)]