39228040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{22807}}^1$

素因数の和:22861

約数の個数: 32

約数和(自身を含む): 90319680

約数和(自身を除く): 51091640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 22807, 45614, 91228, 114035, 182456, 228070, 456140, 912280, 980701, 1961402, 3922804, 4903505, 7845608, 9807010, 19614020, 39228040]

約数ペア:

[(1, 39228040), (2, 19614020), (4, 9807010), (5, 7845608), (8, 4903505), (10, 3922804), (20, 1961402), (40, 980701), (43, 912280), (86, 456140), (172, 228070), (215, 182456), (344, 114035), (430, 91228), (860, 45614), (1720, 22807)]