8810320

素因数分解:

$2^4\times 5^1\times {\mathrm{110129}}^1$

素因数の和:110142

約数の個数: 20

約数和(自身を含む): 20484180

約数和(自身を除く): 11673860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 110129, 220258, 440516, 550645, 881032, 1101290, 1762064, 2202580, 4405160, 8810320]

約数ペア:

[(1, 8810320), (2, 4405160), (4, 2202580), (5, 1762064), (8, 1101290), (10, 881032), (16, 550645), (20, 440516), (40, 220258), (80, 110129)]