12439280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{229}}^1$

素因数の和:346

約数の個数: 80

約数和(自身を含む): 33539520

約数和(自身を除く): 21100240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 97, 112, 140, 194, 229, 280, 388, 458, 485, 560, 679, 776, 916, 970, 1145, 1358, 1552, 1603, 1832, 1940, 2290, 2716, 3206, 3395, 3664, 3880, 4580, 5432, 6412, 6790, 7760, 8015, 9160, 10864, 12824, 13580, 16030, 18320, 22213, 25648, 27160, 32060, 44426, 54320, 64120, 88852, 111065, 128240, 155491, 177704, 222130, 310982, 355408, 444260, 621964, 777455, 888520, 1243928, 1554910, 1777040, 2487856, 3109820, 6219640, 12439280]

約数ペア:

[(1, 12439280), (2, 6219640), (4, 3109820), (5, 2487856), (7, 1777040), (8, 1554910), (10, 1243928), (14, 888520), (16, 777455), (20, 621964), (28, 444260), (35, 355408), (40, 310982), (56, 222130), (70, 177704), (80, 155491), (97, 128240), (112, 111065), (140, 88852), (194, 64120), (229, 54320), (280, 44426), (388, 32060), (458, 27160), (485, 25648), (560, 22213), (679, 18320), (776, 16030), (916, 13580), (970, 12824), (1145, 10864), (1358, 9160), (1552, 8015), (1603, 7760), (1832, 6790), (1940, 6412), (2290, 5432), (2716, 4580), (3206, 3880), (3395, 3664)]