2660440

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{293}}^1$

素因数の和:531

約数の個数: 32

約数和(自身を含む): 6032880

約数和(自身を除く): 3372440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 293, 454, 586, 908, 1135, 1172, 1465, 1816, 2270, 2344, 2930, 4540, 5860, 9080, 11720, 66511, 133022, 266044, 332555, 532088, 665110, 1330220, 2660440]

約数ペア:

[(1, 2660440), (2, 1330220), (4, 665110), (5, 532088), (8, 332555), (10, 266044), (20, 133022), (40, 66511), (227, 11720), (293, 9080), (454, 5860), (586, 4540), (908, 2930), (1135, 2344), (1172, 2270), (1465, 1816)]