63818540

素因数分解:

$2^2\times 5^1\times {\mathrm{1489}}^1\times {\mathrm{2143}}^1$

素因数の和:3641

約数の個数: 24

約数和(自身を含む): 134171520

約数和(自身を除く): 70352980

約数列:

[1, 2, 4, 5, 10, 20, 1489, 2143, 2978, 4286, 5956, 7445, 8572, 10715, 14890, 21430, 29780, 42860, 3190927, 6381854, 12763708, 15954635, 31909270, 63818540]

約数ペア:

[(1, 63818540), (2, 31909270), (4, 15954635), (5, 12763708), (10, 6381854), (20, 3190927), (1489, 42860), (2143, 29780), (2978, 21430), (4286, 14890), (5956, 10715), (7445, 8572)]