2005802020

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{577}}^1\times {\mathrm{2381}}^1$

素因数の和:3040

約数の個数: 48

約数和(自身を含む): 4279081968

約数和(自身を除く): 2273279948

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 577, 730, 1154, 1460, 2308, 2381, 2885, 4762, 5770, 9524, 11540, 11905, 23810, 42121, 47620, 84242, 168484, 173813, 210605, 347626, 421210, 695252, 842420, 869065, 1373837, 1738130, 2747674, 3476260, 5495348, 6869185, 13738370, 27476740, 100290101, 200580202, 401160404, 501450505, 1002901010, 2005802020]

約数ペア:

[(1, 2005802020), (2, 1002901010), (4, 501450505), (5, 401160404), (10, 200580202), (20, 100290101), (73, 27476740), (146, 13738370), (292, 6869185), (365, 5495348), (577, 3476260), (730, 2747674), (1154, 1738130), (1460, 1373837), (2308, 869065), (2381, 842420), (2885, 695252), (4762, 421210), (5770, 347626), (9524, 210605), (11540, 173813), (11905, 168484), (23810, 84242), (42121, 47620)]