20079968680

素因数分解:

$2^3\times 5^1\times {\mathrm{797}}^1\times {\mathrm{629861}}^1$

素因数の和:630669

約数の個数: 32

約数和(自身を含む): 45236688840

約数和(自身を除く): 25156720160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 797, 1594, 3188, 3985, 6376, 7970, 15940, 31880, 629861, 1259722, 2519444, 3149305, 5038888, 6298610, 12597220, 25194440, 501999217, 1003998434, 2007996868, 2509996085, 4015993736, 5019992170, 10039984340, 20079968680]

約数ペア:

[(1, 20079968680), (2, 10039984340), (4, 5019992170), (5, 4015993736), (8, 2509996085), (10, 2007996868), (20, 1003998434), (40, 501999217), (797, 25194440), (1594, 12597220), (3188, 6298610), (3985, 5038888), (6376, 3149305), (7970, 2519444), (15940, 1259722), (31880, 629861)]