12885380

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{14983}}^1$

素因数の和:15035

約数の個数: 24

約数和(自身を含む): 27690432

約数和(自身を除く): 14805052

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 14983, 29966, 59932, 74915, 149830, 299660, 644269, 1288538, 2577076, 3221345, 6442690, 12885380]

約数ペア:

[(1, 12885380), (2, 6442690), (4, 3221345), (5, 2577076), (10, 1288538), (20, 644269), (43, 299660), (86, 149830), (172, 74915), (215, 59932), (430, 29966), (860, 14983)]