8921320

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{823}}^1$

素因数の和:1105

約数の個数: 32

約数和(自身を含む): 20171520

約数和(自身を除く): 11250200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 823, 1084, 1355, 1646, 2168, 2710, 3292, 4115, 5420, 6584, 8230, 10840, 16460, 32920, 223033, 446066, 892132, 1115165, 1784264, 2230330, 4460660, 8921320]

約数ペア:

[(1, 8921320), (2, 4460660), (4, 2230330), (5, 1784264), (8, 1115165), (10, 892132), (20, 446066), (40, 223033), (271, 32920), (542, 16460), (823, 10840), (1084, 8230), (1355, 6584), (1646, 5420), (2168, 4115), (2710, 3292)]