71400640

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5189}}^1$

素因数の和:5249

約数の個数: 56

約数和(自身を含む): 174010320

約数和(自身を除く): 102609680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 160, 172, 215, 320, 344, 430, 688, 860, 1376, 1720, 2752, 3440, 5189, 6880, 10378, 13760, 20756, 25945, 41512, 51890, 83024, 103780, 166048, 207560, 223127, 332096, 415120, 446254, 830240, 892508, 1115635, 1660480, 1785016, 2231270, 3570032, 4462540, 7140064, 8925080, 14280128, 17850160, 35700320, 71400640]

約数ペア:

[(1, 71400640), (2, 35700320), (4, 17850160), (5, 14280128), (8, 8925080), (10, 7140064), (16, 4462540), (20, 3570032), (32, 2231270), (40, 1785016), (43, 1660480), (64, 1115635), (80, 892508), (86, 830240), (160, 446254), (172, 415120), (215, 332096), (320, 223127), (344, 207560), (430, 166048), (688, 103780), (860, 83024), (1376, 51890), (1720, 41512), (2752, 25945), (3440, 20756), (5189, 13760), (6880, 10378)]