4931440

素因数分解:

$2^4\times 5^1\times {\mathrm{61643}}^1$

素因数の和:61656

約数の個数: 20

約数和(自身を含む): 11465784

約数和(自身を除く): 6534344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 61643, 123286, 246572, 308215, 493144, 616430, 986288, 1232860, 2465720, 4931440]

約数ペア:

[(1, 4931440), (2, 2465720), (4, 1232860), (5, 986288), (8, 616430), (10, 493144), (16, 308215), (20, 246572), (40, 123286), (80, 61643)]