6648620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{643}}^1$

素因数の和:710

約数の個数: 48

約数和(自身を含む): 15579648

約数和(自身を除く): 8931028

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 643, 940, 1034, 1286, 2068, 2572, 2585, 3215, 5170, 6430, 7073, 10340, 12860, 14146, 28292, 30221, 35365, 60442, 70730, 120884, 141460, 151105, 302210, 332431, 604420, 664862, 1329724, 1662155, 3324310, 6648620]

約数ペア:

[(1, 6648620), (2, 3324310), (4, 1662155), (5, 1329724), (10, 664862), (11, 604420), (20, 332431), (22, 302210), (44, 151105), (47, 141460), (55, 120884), (94, 70730), (110, 60442), (188, 35365), (220, 30221), (235, 28292), (470, 14146), (517, 12860), (643, 10340), (940, 7073), (1034, 6430), (1286, 5170), (2068, 3215), (2572, 2585)]