109281680

素因数分解:

$2^4\times 5^1\times {\mathrm{1366021}}^1$

素因数の和:1366034

約数の個数: 20

約数和(自身を含む): 254080092

約数和(自身を除く): 144798412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1366021, 2732042, 5464084, 6830105, 10928168, 13660210, 21856336, 27320420, 54640840, 109281680]

約数ペア:

[(1, 109281680), (2, 54640840), (4, 27320420), (5, 21856336), (8, 13660210), (10, 10928168), (16, 6830105), (20, 5464084), (40, 2732042), (80, 1366021)]