40487990

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{1499}}^1$

素因数の和:1616

約数の個数: 32

約数和(自身を含む): 75924000

約数和(自身を除く): 35436010

約数列:

[1, 2, 5, 10, 37, 73, 74, 146, 185, 365, 370, 730, 1499, 2701, 2998, 5402, 7495, 13505, 14990, 27010, 55463, 109427, 110926, 218854, 277315, 547135, 554630, 1094270, 4048799, 8097598, 20243995, 40487990]

約数ペア:

[(1, 40487990), (2, 20243995), (5, 8097598), (10, 4048799), (37, 1094270), (73, 554630), (74, 547135), (146, 277315), (185, 218854), (365, 110926), (370, 109427), (730, 55463), (1499, 27010), (2701, 14990), (2998, 13505), (5402, 7495)]