25433780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{66931}}^1$

素因数の和:66959

約数の個数: 24

約数和(自身を含む): 56222880

約数和(自身を除く): 30789100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 66931, 133862, 267724, 334655, 669310, 1271689, 1338620, 2543378, 5086756, 6358445, 12716890, 25433780]

約数ペア:

[(1, 25433780), (2, 12716890), (4, 6358445), (5, 5086756), (10, 2543378), (19, 1338620), (20, 1271689), (38, 669310), (76, 334655), (95, 267724), (190, 133862), (380, 66931)]