25490380

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{12619}}^1$

素因数の和:12729

約数の個数: 24

約数和(自身を含む): 54064080

約数和(自身を除く): 28573700

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 12619, 25238, 50476, 63095, 126190, 252380, 1274519, 2549038, 5098076, 6372595, 12745190, 25490380]

約数ペア:

[(1, 25490380), (2, 12745190), (4, 6372595), (5, 5098076), (10, 2549038), (20, 1274519), (101, 252380), (202, 126190), (404, 63095), (505, 50476), (1010, 25238), (2020, 12619)]