8385320

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{5113}}^1$

素因数の和:5165

約数の個数: 32

約数和(自身を含む): 19330920

約数和(自身を除く): 10945600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 5113, 10226, 20452, 25565, 40904, 51130, 102260, 204520, 209633, 419266, 838532, 1048165, 1677064, 2096330, 4192660, 8385320]

約数ペア:

[(1, 8385320), (2, 4192660), (4, 2096330), (5, 1677064), (8, 1048165), (10, 838532), (20, 419266), (40, 209633), (41, 204520), (82, 102260), (164, 51130), (205, 40904), (328, 25565), (410, 20452), (820, 10226), (1640, 5113)]