27942040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{99793}}^1$

素因数の和:99811

約数の個数: 32

約数和(自身を含む): 71851680

約数和(自身を除く): 43909640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 99793, 199586, 399172, 498965, 698551, 798344, 997930, 1397102, 1995860, 2794204, 3492755, 3991720, 5588408, 6985510, 13971020, 27942040]

約数ペア:

[(1, 27942040), (2, 13971020), (4, 6985510), (5, 5588408), (7, 3991720), (8, 3492755), (10, 2794204), (14, 1995860), (20, 1397102), (28, 997930), (35, 798344), (40, 698551), (56, 498965), (70, 399172), (140, 199586), (280, 99793)]