8909620

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5639}}^1$

素因数の和:5727

約数の個数: 24

約数和(自身を含む): 18950400

約数和(自身を除く): 10040780

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 5639, 11278, 22556, 28195, 56390, 112780, 445481, 890962, 1781924, 2227405, 4454810, 8909620]

約数ペア:

[(1, 8909620), (2, 4454810), (4, 2227405), (5, 1781924), (10, 890962), (20, 445481), (79, 112780), (158, 56390), (316, 28195), (395, 22556), (790, 11278), (1580, 5639)]