164057440

素因数分解:

$2^5\times 5^1\times {\mathrm{227}}^1\times {\mathrm{4517}}^1$

素因数の和:4759

約数の個数: 48

約数和(自身を含む): 389379312

約数和(自身を除く): 225321872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 227, 454, 908, 1135, 1816, 2270, 3632, 4517, 4540, 7264, 9034, 9080, 18068, 18160, 22585, 36136, 36320, 45170, 72272, 90340, 144544, 180680, 361360, 722720, 1025359, 2050718, 4101436, 5126795, 8202872, 10253590, 16405744, 20507180, 32811488, 41014360, 82028720, 164057440]

約数ペア:

[(1, 164057440), (2, 82028720), (4, 41014360), (5, 32811488), (8, 20507180), (10, 16405744), (16, 10253590), (20, 8202872), (32, 5126795), (40, 4101436), (80, 2050718), (160, 1025359), (227, 722720), (454, 361360), (908, 180680), (1135, 144544), (1816, 90340), (2270, 72272), (3632, 45170), (4517, 36320), (4540, 36136), (7264, 22585), (9034, 18160), (9080, 18068)]