13297240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{643}}^1$

素因数の和:712

約数の個数: 64

約数和(自身を含む): 33384960

約数和(自身を除く): 20087720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 110, 188, 220, 235, 376, 440, 470, 517, 643, 940, 1034, 1286, 1880, 2068, 2572, 2585, 3215, 4136, 5144, 5170, 6430, 7073, 10340, 12860, 14146, 20680, 25720, 28292, 30221, 35365, 56584, 60442, 70730, 120884, 141460, 151105, 241768, 282920, 302210, 332431, 604420, 664862, 1208840, 1329724, 1662155, 2659448, 3324310, 6648620, 13297240]

約数ペア:

[(1, 13297240), (2, 6648620), (4, 3324310), (5, 2659448), (8, 1662155), (10, 1329724), (11, 1208840), (20, 664862), (22, 604420), (40, 332431), (44, 302210), (47, 282920), (55, 241768), (88, 151105), (94, 141460), (110, 120884), (188, 70730), (220, 60442), (235, 56584), (376, 35365), (440, 30221), (470, 28292), (517, 25720), (643, 20680), (940, 14146), (1034, 12860), (1286, 10340), (1880, 7073), (2068, 6430), (2572, 5170), (2585, 5144), (3215, 4136)]