12322840

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1289}}^1$

素因数の和:1539

約数の個数: 32

約数和(自身を含む): 27864000

約数和(自身を除く): 15541160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1289, 1912, 2390, 2578, 4780, 5156, 6445, 9560, 10312, 12890, 25780, 51560, 308071, 616142, 1232284, 1540355, 2464568, 3080710, 6161420, 12322840]

約数ペア:

[(1, 12322840), (2, 6161420), (4, 3080710), (5, 2464568), (8, 1540355), (10, 1232284), (20, 616142), (40, 308071), (239, 51560), (478, 25780), (956, 12890), (1195, 10312), (1289, 9560), (1912, 6445), (2390, 5156), (2578, 4780)]