12439240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1663}}^1$

素因数の和:1702

約数の個数: 64

約数和(自身を含む): 32348160

約数和(自身を除く): 19908920

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1663, 1870, 3326, 3740, 6652, 7480, 8315, 13304, 16630, 18293, 28271, 33260, 36586, 56542, 66520, 73172, 91465, 113084, 141355, 146344, 182930, 226168, 282710, 310981, 365860, 565420, 621962, 731720, 1130840, 1243924, 1554905, 2487848, 3109810, 6219620, 12439240]

約数ペア:

[(1, 12439240), (2, 6219620), (4, 3109810), (5, 2487848), (8, 1554905), (10, 1243924), (11, 1130840), (17, 731720), (20, 621962), (22, 565420), (34, 365860), (40, 310981), (44, 282710), (55, 226168), (68, 182930), (85, 146344), (88, 141355), (110, 113084), (136, 91465), (170, 73172), (187, 66520), (220, 56542), (340, 36586), (374, 33260), (440, 28271), (680, 18293), (748, 16630), (935, 13304), (1496, 8315), (1663, 7480), (1870, 6652), (3326, 3740)]