9018040

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1721}}^1$

素因数の和:1863

約数の個数: 32

約数和(自身を含む): 20457360

約数和(自身を除く): 11439320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 1721, 2620, 3442, 5240, 6884, 8605, 13768, 17210, 34420, 68840, 225451, 450902, 901804, 1127255, 1803608, 2254510, 4509020, 9018040]

約数ペア:

[(1, 9018040), (2, 4509020), (4, 2254510), (5, 1803608), (8, 1127255), (10, 901804), (20, 450902), (40, 225451), (131, 68840), (262, 34420), (524, 17210), (655, 13768), (1048, 8605), (1310, 6884), (1721, 5240), (2620, 3442)]