81883780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{467}}^1\times {\mathrm{797}}^1$

素因数の和:1284

約数の個数: 48

約数和(自身を含む): 188225856

約数和(自身を除く): 106342076

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 467, 797, 934, 1594, 1868, 2335, 3188, 3985, 4670, 5137, 7970, 8767, 9340, 10274, 15940, 17534, 20548, 25685, 35068, 43835, 51370, 87670, 102740, 175340, 372199, 744398, 1488796, 1860995, 3721990, 4094189, 7443980, 8188378, 16376756, 20470945, 40941890, 81883780]

約数ペア:

[(1, 81883780), (2, 40941890), (4, 20470945), (5, 16376756), (10, 8188378), (11, 7443980), (20, 4094189), (22, 3721990), (44, 1860995), (55, 1488796), (110, 744398), (220, 372199), (467, 175340), (797, 102740), (934, 87670), (1594, 51370), (1868, 43835), (2335, 35068), (3188, 25685), (3985, 20548), (4670, 17534), (5137, 15940), (7970, 10274), (8767, 9340)]