15612040

素因数分解:

$2^3\times 5^1\times {\mathrm{607}}^1\times {\mathrm{643}}^1$

素因数の和:1261

約数の個数: 32

約数和(自身を含む): 35239680

約数和(自身を除く): 19627640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 607, 643, 1214, 1286, 2428, 2572, 3035, 3215, 4856, 5144, 6070, 6430, 12140, 12860, 24280, 25720, 390301, 780602, 1561204, 1951505, 3122408, 3903010, 7806020, 15612040]

約数ペア:

[(1, 15612040), (2, 7806020), (4, 3903010), (5, 3122408), (8, 1951505), (10, 1561204), (20, 780602), (40, 390301), (607, 25720), (643, 24280), (1214, 12860), (1286, 12140), (2428, 6430), (2572, 6070), (3035, 5144), (3215, 4856)]