31740520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{113359}}^1$

素因数の和:113377

約数の個数: 32

約数和(自身を含む): 81619200

約数和(自身を除く): 49878680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 113359, 226718, 453436, 566795, 793513, 906872, 1133590, 1587026, 2267180, 3174052, 3967565, 4534360, 6348104, 7935130, 15870260, 31740520]

約数ペア:

[(1, 31740520), (2, 15870260), (4, 7935130), (5, 6348104), (7, 4534360), (8, 3967565), (10, 3174052), (14, 2267180), (20, 1587026), (28, 1133590), (35, 906872), (40, 793513), (56, 566795), (70, 453436), (140, 226718), (280, 113359)]