12779600

素因数分解:

$2^4\times 5^2\times {\mathrm{43}}^1\times {\mathrm{743}}^1$

素因数の和:804

約数の個数: 60

約数和(自身を含む): 31459296

約数和(自身を除く): 18679696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 43, 50, 80, 86, 100, 172, 200, 215, 344, 400, 430, 688, 743, 860, 1075, 1486, 1720, 2150, 2972, 3440, 3715, 4300, 5944, 7430, 8600, 11888, 14860, 17200, 18575, 29720, 31949, 37150, 59440, 63898, 74300, 127796, 148600, 159745, 255592, 297200, 319490, 511184, 638980, 798725, 1277960, 1597450, 2555920, 3194900, 6389800, 12779600]

約数ペア:

[(1, 12779600), (2, 6389800), (4, 3194900), (5, 2555920), (8, 1597450), (10, 1277960), (16, 798725), (20, 638980), (25, 511184), (40, 319490), (43, 297200), (50, 255592), (80, 159745), (86, 148600), (100, 127796), (172, 74300), (200, 63898), (215, 59440), (344, 37150), (400, 31949), (430, 29720), (688, 18575), (743, 17200), (860, 14860), (1075, 11888), (1486, 8600), (1720, 7430), (2150, 5944), (2972, 4300), (3440, 3715)]