61498040

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{8887}}^1$

素因数の和:9071

約数の個数: 32

約数和(自身を含む): 139186080

約数和(自身を除く): 77688040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 6920, 8887, 17774, 35548, 44435, 71096, 88870, 177740, 355480, 1537451, 3074902, 6149804, 7687255, 12299608, 15374510, 30749020, 61498040]

約数ペア:

[(1, 61498040), (2, 30749020), (4, 15374510), (5, 12299608), (8, 7687255), (10, 6149804), (20, 3074902), (40, 1537451), (173, 355480), (346, 177740), (692, 88870), (865, 71096), (1384, 44435), (1730, 35548), (3460, 17774), (6920, 8887)]