8860040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31643}}^1$

素因数の和:31661

約数の個数: 32

約数和(自身を含む): 22783680

約数和(自身を除く): 13923640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 31643, 63286, 126572, 158215, 221501, 253144, 316430, 443002, 632860, 886004, 1107505, 1265720, 1772008, 2215010, 4430020, 8860040]

約数ペア:

[(1, 8860040), (2, 4430020), (4, 2215010), (5, 1772008), (7, 1265720), (8, 1107505), (10, 886004), (14, 632860), (20, 443002), (28, 316430), (35, 253144), (40, 221501), (56, 158215), (70, 126572), (140, 63286), (280, 31643)]