42013880

素因数分解:

$2^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{2437}}^1$

素因数の和:2879

約数の個数: 32

約数和(自身を含む): 94789440

約数和(自身を除く): 52775560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 431, 862, 1724, 2155, 2437, 3448, 4310, 4874, 8620, 9748, 12185, 17240, 19496, 24370, 48740, 97480, 1050347, 2100694, 4201388, 5251735, 8402776, 10503470, 21006940, 42013880]

約数ペア:

[(1, 42013880), (2, 21006940), (4, 10503470), (5, 8402776), (8, 5251735), (10, 4201388), (20, 2100694), (40, 1050347), (431, 97480), (862, 48740), (1724, 24370), (2155, 19496), (2437, 17240), (3448, 12185), (4310, 9748), (4874, 8620)]