12913720

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{6869}}^1$

素因数の和:6927

約数の個数: 32

約数和(自身を含む): 29678400

約数和(自身を除く): 16764680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 6869, 13738, 27476, 34345, 54952, 68690, 137380, 274760, 322843, 645686, 1291372, 1614215, 2582744, 3228430, 6456860, 12913720]

約数ペア:

[(1, 12913720), (2, 6456860), (4, 3228430), (5, 2582744), (8, 1614215), (10, 1291372), (20, 645686), (40, 322843), (47, 274760), (94, 137380), (188, 68690), (235, 54952), (376, 34345), (470, 27476), (940, 13738), (1880, 6869)]