201814640

素因数分解:

$2^4\times 5^1\times {\mathrm{541}}^1\times {\mathrm{4663}}^1$

素因数の和:5217

約数の個数: 40

約数和(自身を含む): 470187168

約数和(自身を除く): 268372528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 541, 1082, 2164, 2705, 4328, 4663, 5410, 8656, 9326, 10820, 18652, 21640, 23315, 37304, 43280, 46630, 74608, 93260, 186520, 373040, 2522683, 5045366, 10090732, 12613415, 20181464, 25226830, 40362928, 50453660, 100907320, 201814640]

約数ペア:

[(1, 201814640), (2, 100907320), (4, 50453660), (5, 40362928), (8, 25226830), (10, 20181464), (16, 12613415), (20, 10090732), (40, 5045366), (80, 2522683), (541, 373040), (1082, 186520), (2164, 93260), (2705, 74608), (4328, 46630), (4663, 43280), (5410, 37304), (8656, 23315), (9326, 21640), (10820, 18652)]