88745620

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{40709}}^1$

素因数の和:40827

約数の個数: 24

約数和(自身を含む): 188080200

約数和(自身を除く): 99334580

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 40709, 81418, 162836, 203545, 407090, 814180, 4437281, 8874562, 17749124, 22186405, 44372810, 88745620]

約数ペア:

[(1, 88745620), (2, 44372810), (4, 22186405), (5, 17749124), (10, 8874562), (20, 4437281), (109, 814180), (218, 407090), (436, 203545), (545, 162836), (1090, 81418), (2180, 40709)]