12312640

素因数分解:

$2^6\times 5^1\times {\mathrm{109}}^1\times {\mathrm{353}}^1$

素因数の和:479

約数の個数: 56

約数和(自身を含む): 29672280

約数和(自身を除く): 17359640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 160, 218, 320, 353, 436, 545, 706, 872, 1090, 1412, 1744, 1765, 2180, 2824, 3488, 3530, 4360, 5648, 6976, 7060, 8720, 11296, 14120, 17440, 22592, 28240, 34880, 38477, 56480, 76954, 112960, 153908, 192385, 307816, 384770, 615632, 769540, 1231264, 1539080, 2462528, 3078160, 6156320, 12312640]

約数ペア:

[(1, 12312640), (2, 6156320), (4, 3078160), (5, 2462528), (8, 1539080), (10, 1231264), (16, 769540), (20, 615632), (32, 384770), (40, 307816), (64, 192385), (80, 153908), (109, 112960), (160, 76954), (218, 56480), (320, 38477), (353, 34880), (436, 28240), (545, 22592), (706, 17440), (872, 14120), (1090, 11296), (1412, 8720), (1744, 7060), (1765, 6976), (2180, 5648), (2824, 4360), (3488, 3530)]