27776720

素因数分解:

$2^4\times 5^1\times {\mathrm{347209}}^1$

素因数の和:347222

約数の個数: 20

約数和(自身を含む): 64581060

約数和(自身を除く): 36804340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 347209, 694418, 1388836, 1736045, 2777672, 3472090, 5555344, 6944180, 13888360, 27776720]

約数ペア:

[(1, 27776720), (2, 13888360), (4, 6944180), (5, 5555344), (8, 3472090), (10, 2777672), (16, 1736045), (20, 1388836), (40, 694418), (80, 347209)]