2100064520

素因数分解:

$2^3\times 5^1\times {\mathrm{1031}}^1\times {\mathrm{50923}}^1$

素因数の和:51965

約数の個数: 32

約数和(自身を含む): 4729821120

約数和(自身を除く): 2629756600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1031, 2062, 4124, 5155, 8248, 10310, 20620, 41240, 50923, 101846, 203692, 254615, 407384, 509230, 1018460, 2036920, 52501613, 105003226, 210006452, 262508065, 420012904, 525016130, 1050032260, 2100064520]

約数ペア:

[(1, 2100064520), (2, 1050032260), (4, 525016130), (5, 420012904), (8, 262508065), (10, 210006452), (20, 105003226), (40, 52501613), (1031, 2036920), (2062, 1018460), (4124, 509230), (5155, 407384), (8248, 254615), (10310, 203692), (20620, 101846), (41240, 50923)]