128565560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{189067}}^1$

素因数の和:189095

約数の個数: 32

約数和(自身を含む): 306290160

約数和(自身を除く): 177724600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 189067, 378134, 756268, 945335, 1512536, 1890670, 3214139, 3781340, 6428278, 7562680, 12856556, 16070695, 25713112, 32141390, 64282780, 128565560]

約数ペア:

[(1, 128565560), (2, 64282780), (4, 32141390), (5, 25713112), (8, 16070695), (10, 12856556), (17, 7562680), (20, 6428278), (34, 3781340), (40, 3214139), (68, 1890670), (85, 1512536), (136, 945335), (170, 756268), (340, 378134), (680, 189067)]