12742130

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:338

約数の個数: 32

約数和(自身を含む): 23587200

約数和(自身を除く): 10845070

約数列:

[1, 2, 5, 10, 89, 103, 139, 178, 206, 278, 445, 515, 695, 890, 1030, 1390, 9167, 12371, 14317, 18334, 24742, 28634, 45835, 61855, 71585, 91670, 123710, 143170, 1274213, 2548426, 6371065, 12742130]

約数ペア:

[(1, 12742130), (2, 6371065), (5, 2548426), (10, 1274213), (89, 143170), (103, 123710), (139, 91670), (178, 71585), (206, 61855), (278, 45835), (445, 28634), (515, 24742), (695, 18334), (890, 14317), (1030, 12371), (1390, 9167)]