2531440

素因数分解:

$2^4\times 5^1\times {\mathrm{31643}}^1$

素因数の和:31656

約数の個数: 20

約数和(自身を含む): 5885784

約数和(自身を除く): 3354344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 31643, 63286, 126572, 158215, 253144, 316430, 506288, 632860, 1265720, 2531440]

約数ペア:

[(1, 2531440), (2, 1265720), (4, 632860), (5, 506288), (8, 316430), (10, 253144), (16, 158215), (20, 126572), (40, 63286), (80, 31643)]