80480272

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{30859}}^1$

素因数の和:31030

約数の個数: 20

約数和(自身を含む): 156892240

約数和(自身を除く): 76411968

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 30859, 61718, 123436, 246872, 493744, 5030017, 10060034, 20120068, 40240136, 80480272]

約数ペア:

[(1, 80480272), (2, 40240136), (4, 20120068), (8, 10060034), (16, 5030017), (163, 493744), (326, 246872), (652, 123436), (1304, 61718), (2608, 30859)]