108536720

素因数分解:

$2^4\times 5^1\times {\mathrm{1356709}}^1$

素因数の和:1356722

約数の個数: 20

約数和(自身を含む): 252348060

約数和(自身を除く): 143811340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1356709, 2713418, 5426836, 6783545, 10853672, 13567090, 21707344, 27134180, 54268360, 108536720]

約数ペア:

[(1, 108536720), (2, 54268360), (4, 27134180), (5, 21707344), (8, 13567090), (10, 10853672), (16, 6783545), (20, 5426836), (40, 2713418), (80, 1356709)]