31424240

素因数分解:

$2^4\times 5^1\times {\mathrm{392803}}^1$

素因数の和:392816

約数の個数: 20

約数和(自身を含む): 73061544

約数和(自身を除く): 41637304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 392803, 785606, 1571212, 1964015, 3142424, 3928030, 6284848, 7856060, 15712120, 31424240]

約数ペア:

[(1, 31424240), (2, 15712120), (4, 7856060), (5, 6284848), (8, 3928030), (10, 3142424), (16, 1964015), (20, 1571212), (40, 785606), (80, 392803)]