12161720

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{6469}}^1$

素因数の和:6527

約数の個数: 32

約数和(自身を含む): 27950400

約数和(自身を除く): 15788680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 6469, 12938, 25876, 32345, 51752, 64690, 129380, 258760, 304043, 608086, 1216172, 1520215, 2432344, 3040430, 6080860, 12161720]

約数ペア:

[(1, 12161720), (2, 6080860), (4, 3040430), (5, 2432344), (8, 1520215), (10, 1216172), (20, 608086), (40, 304043), (47, 258760), (94, 129380), (188, 64690), (235, 51752), (376, 32345), (470, 25876), (940, 12938), (1880, 6469)]