18810080

素因数分解:

$2^5\times 5^1\times {\mathrm{117563}}^1$

素因数の和:117578

約数の個数: 24

約数和(自身を含む): 44439192

約数和(自身を除く): 25629112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 117563, 235126, 470252, 587815, 940504, 1175630, 1881008, 2351260, 3762016, 4702520, 9405040, 18810080]

約数ペア:

[(1, 18810080), (2, 9405040), (4, 4702520), (5, 3762016), (8, 2351260), (10, 1881008), (16, 1175630), (20, 940504), (32, 587815), (40, 470252), (80, 235126), (160, 117563)]