127280180

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{39043}}^1$

素因数の和:39215

約数の個数: 24

約数和(自身を含む): 268935072

約数和(自身を除く): 141654892

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 39043, 78086, 156172, 195215, 390430, 780860, 6364009, 12728018, 25456036, 31820045, 63640090, 127280180]

約数ペア:

[(1, 127280180), (2, 63640090), (4, 31820045), (5, 25456036), (10, 12728018), (20, 6364009), (163, 780860), (326, 390430), (652, 195215), (815, 156172), (1630, 78086), (3260, 39043)]