8997320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5231}}^1$

素因数の和:5285

約数の個数: 32

約数和(自身を含む): 20718720

約数和(自身を除く): 11721400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 5231, 10462, 20924, 26155, 41848, 52310, 104620, 209240, 224933, 449866, 899732, 1124665, 1799464, 2249330, 4498660, 8997320]

約数ペア:

[(1, 8997320), (2, 4498660), (4, 2249330), (5, 1799464), (8, 1124665), (10, 899732), (20, 449866), (40, 224933), (43, 209240), (86, 104620), (172, 52310), (215, 41848), (344, 26155), (430, 20924), (860, 10462), (1720, 5231)]