128499010

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{117889}}^1$

素因数の和:118005

約数の個数: 16

約数和(自身を含む): 233422200

約数和(自身を除く): 104923190

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 117889, 235778, 589445, 1178890, 12849901, 25699802, 64249505, 128499010]

約数ペア:

[(1, 128499010), (2, 64249505), (5, 25699802), (10, 12849901), (109, 1178890), (218, 589445), (545, 235778), (1090, 117889)]