10211440

素因数分解:

$2^4\times 5^1\times {\mathrm{127643}}^1$

素因数の和:127656

約数の個数: 20

約数和(自身を含む): 23741784

約数和(自身を除く): 13530344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127643, 255286, 510572, 638215, 1021144, 1276430, 2042288, 2552860, 5105720, 10211440]

約数ペア:

[(1, 10211440), (2, 5105720), (4, 2552860), (5, 2042288), (8, 1276430), (10, 1021144), (16, 638215), (20, 510572), (40, 255286), (80, 127643)]