123281260

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{150343}}^1$

素因数の和:150393

約数の個数: 24

約数和(自身を含む): 265206816

約数和(自身を除く): 141925556

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 150343, 300686, 601372, 751715, 1503430, 3006860, 6164063, 12328126, 24656252, 30820315, 61640630, 123281260]

約数ペア:

[(1, 123281260), (2, 61640630), (4, 30820315), (5, 24656252), (10, 12328126), (20, 6164063), (41, 3006860), (82, 1503430), (164, 751715), (205, 601372), (410, 300686), (820, 150343)]