27986480

素因数分解:

$2^4\times 5^1\times {\mathrm{349831}}^1$

素因数の和:349844

約数の個数: 20

約数和(自身を含む): 65068752

約数和(自身を除く): 37082272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 349831, 699662, 1399324, 1749155, 2798648, 3498310, 5597296, 6996620, 13993240, 27986480]

約数ペア:

[(1, 27986480), (2, 13993240), (4, 6996620), (5, 5597296), (8, 3498310), (10, 2798648), (16, 1749155), (20, 1399324), (40, 699662), (80, 349831)]