2018082320

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{615269}}^1$

素因数の和:615323

約数の個数: 40

約数和(自身を含む): 4806489240

約数和(自身を除く): 2788406920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 615269, 1230538, 2461076, 3076345, 4922152, 6152690, 9844304, 12305380, 24610760, 25226029, 49221520, 50452058, 100904116, 126130145, 201808232, 252260290, 403616464, 504520580, 1009041160, 2018082320]

約数ペア:

[(1, 2018082320), (2, 1009041160), (4, 504520580), (5, 403616464), (8, 252260290), (10, 201808232), (16, 126130145), (20, 100904116), (40, 50452058), (41, 49221520), (80, 25226029), (82, 24610760), (164, 12305380), (205, 9844304), (328, 6152690), (410, 4922152), (656, 3076345), (820, 2461076), (1640, 1230538), (3280, 615269)]