25134680

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1567}}^1$

素因数の和:1979

約数の個数: 32

約数和(自身を含む): 56730240

約数和(自身を除く): 31595560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1567, 1604, 2005, 3134, 3208, 4010, 6268, 7835, 8020, 12536, 15670, 16040, 31340, 62680, 628367, 1256734, 2513468, 3141835, 5026936, 6283670, 12567340, 25134680]

約数ペア:

[(1, 25134680), (2, 12567340), (4, 6283670), (5, 5026936), (8, 3141835), (10, 2513468), (20, 1256734), (40, 628367), (401, 62680), (802, 31340), (1567, 16040), (1604, 15670), (2005, 12536), (3134, 8020), (3208, 7835), (4010, 6268)]