31192760

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{4967}}^1$

素因数の和:5135

約数の個数: 32

約数和(自身を含む): 70644960

約数和(自身を除く): 39452200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 4967, 6280, 9934, 19868, 24835, 39736, 49670, 99340, 198680, 779819, 1559638, 3119276, 3899095, 6238552, 7798190, 15596380, 31192760]

約数ペア:

[(1, 31192760), (2, 15596380), (4, 7798190), (5, 6238552), (8, 3899095), (10, 3119276), (20, 1559638), (40, 779819), (157, 198680), (314, 99340), (628, 49670), (785, 39736), (1256, 24835), (1570, 19868), (3140, 9934), (4967, 6280)]