25430740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{66923}}^1$

素因数の和:66951

約数の個数: 24

約数和(自身を含む): 56216160

約数和(自身を除く): 30785420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 66923, 133846, 267692, 334615, 669230, 1271537, 1338460, 2543074, 5086148, 6357685, 12715370, 25430740]

約数ペア:

[(1, 25430740), (2, 12715370), (4, 6357685), (5, 5086148), (10, 2543074), (19, 1338460), (20, 1271537), (38, 669230), (76, 334615), (95, 267692), (190, 133846), (380, 66923)]