12648280

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1747}}^1$

素因数の和:1939

約数の個数: 32

約数和(自身を含む): 28632240

約数和(自身を除く): 15983960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1747, 1810, 3494, 3620, 6988, 7240, 8735, 13976, 17470, 34940, 69880, 316207, 632414, 1264828, 1581035, 2529656, 3162070, 6324140, 12648280]

約数ペア:

[(1, 12648280), (2, 6324140), (4, 3162070), (5, 2529656), (8, 1581035), (10, 1264828), (20, 632414), (40, 316207), (181, 69880), (362, 34940), (724, 17470), (905, 13976), (1448, 8735), (1747, 7240), (1810, 6988), (3494, 3620)]