12460660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{547}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 28171584

約数和(自身を除く): 15710924

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 67, 68, 85, 134, 170, 268, 335, 340, 547, 670, 1094, 1139, 1340, 2188, 2278, 2735, 4556, 5470, 5695, 9299, 10940, 11390, 18598, 22780, 36649, 37196, 46495, 73298, 92990, 146596, 183245, 185980, 366490, 623033, 732980, 1246066, 2492132, 3115165, 6230330, 12460660]

約数ペア:

[(1, 12460660), (2, 6230330), (4, 3115165), (5, 2492132), (10, 1246066), (17, 732980), (20, 623033), (34, 366490), (67, 185980), (68, 183245), (85, 146596), (134, 92990), (170, 73298), (268, 46495), (335, 37196), (340, 36649), (547, 22780), (670, 18598), (1094, 11390), (1139, 10940), (1340, 9299), (2188, 5695), (2278, 5470), (2735, 4556)]