29387920

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8543}}^1$

素因数の和:8599

約数の個数: 40

約数和(自身を含む): 69924096

約数和(自身を除く): 40536176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 8543, 17086, 34172, 42715, 68344, 85430, 136688, 170860, 341720, 367349, 683440, 734698, 1469396, 1836745, 2938792, 3673490, 5877584, 7346980, 14693960, 29387920]

約数ペア:

[(1, 29387920), (2, 14693960), (4, 7346980), (5, 5877584), (8, 3673490), (10, 2938792), (16, 1836745), (20, 1469396), (40, 734698), (43, 683440), (80, 367349), (86, 341720), (172, 170860), (215, 136688), (344, 85430), (430, 68344), (688, 42715), (860, 34172), (1720, 17086), (3440, 8543)]