12508840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 30096000

約数和(自身を除く): 17587160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 109, 151, 152, 190, 218, 302, 380, 436, 545, 604, 755, 760, 872, 1090, 1208, 1510, 2071, 2180, 2869, 3020, 4142, 4360, 5738, 6040, 8284, 10355, 11476, 14345, 16459, 16568, 20710, 22952, 28690, 32918, 41420, 57380, 65836, 82295, 82840, 114760, 131672, 164590, 312721, 329180, 625442, 658360, 1250884, 1563605, 2501768, 3127210, 6254420, 12508840]

約数ペア:

[(1, 12508840), (2, 6254420), (4, 3127210), (5, 2501768), (8, 1563605), (10, 1250884), (19, 658360), (20, 625442), (38, 329180), (40, 312721), (76, 164590), (95, 131672), (109, 114760), (151, 82840), (152, 82295), (190, 65836), (218, 57380), (302, 41420), (380, 32918), (436, 28690), (545, 22952), (604, 20710), (755, 16568), (760, 16459), (872, 14345), (1090, 11476), (1208, 10355), (1510, 8284), (2071, 6040), (2180, 5738), (2869, 4360), (3020, 4142)]