2012617720

素因数分解:

$2^3\times 5^1\times {\mathrm{1223}}^1\times {\mathrm{41141}}^1$

素因数の和:42375

約数の個数: 32

約数和(自身を含む): 4532202720

約数和(自身を除く): 2519585000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1223, 2446, 4892, 6115, 9784, 12230, 24460, 41141, 48920, 82282, 164564, 205705, 329128, 411410, 822820, 1645640, 50315443, 100630886, 201261772, 251577215, 402523544, 503154430, 1006308860, 2012617720]

約数ペア:

[(1, 2012617720), (2, 1006308860), (4, 503154430), (5, 402523544), (8, 251577215), (10, 201261772), (20, 100630886), (40, 50315443), (1223, 1645640), (2446, 822820), (4892, 411410), (6115, 329128), (9784, 205705), (12230, 164564), (24460, 82282), (41141, 48920)]