166202320

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{15859}}^1$

素因数の和:16003

約数の個数: 40

約数和(自身を含む): 389394720

約数和(自身を除く): 223192400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 5240, 10480, 15859, 31718, 63436, 79295, 126872, 158590, 253744, 317180, 634360, 1268720, 2077529, 4155058, 8310116, 10387645, 16620232, 20775290, 33240464, 41550580, 83101160, 166202320]

約数ペア:

[(1, 166202320), (2, 83101160), (4, 41550580), (5, 33240464), (8, 20775290), (10, 16620232), (16, 10387645), (20, 8310116), (40, 4155058), (80, 2077529), (131, 1268720), (262, 634360), (524, 317180), (655, 253744), (1048, 158590), (1310, 126872), (2096, 79295), (2620, 63436), (5240, 31718), (10480, 15859)]