20180841500

素因数分解:

$2^2\times 5^3\times {\mathrm{103}}^1\times {\mathrm{391861}}^1$

素因数の和:391983

約数の個数: 48

約数和(自身を含む): 44502983616

約数和(自身を除く): 24322142116

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 103, 125, 206, 250, 412, 500, 515, 1030, 2060, 2575, 5150, 10300, 12875, 25750, 51500, 391861, 783722, 1567444, 1959305, 3918610, 7837220, 9796525, 19593050, 39186100, 40361683, 48982625, 80723366, 97965250, 161446732, 195930500, 201808415, 403616830, 807233660, 1009042075, 2018084150, 4036168300, 5045210375, 10090420750, 20180841500]

約数ペア:

[(1, 20180841500), (2, 10090420750), (4, 5045210375), (5, 4036168300), (10, 2018084150), (20, 1009042075), (25, 807233660), (50, 403616830), (100, 201808415), (103, 195930500), (125, 161446732), (206, 97965250), (250, 80723366), (412, 48982625), (500, 40361683), (515, 39186100), (1030, 19593050), (2060, 9796525), (2575, 7837220), (5150, 3918610), (10300, 1959305), (12875, 1567444), (25750, 783722), (51500, 391861)]