25436380

素因数分解:

$2^2\times 5^1\times {\mathrm{739}}^1\times {\mathrm{1721}}^1$

素因数の和:2469

約数の個数: 24

約数和(自身を含む): 53519760

約数和(自身を除く): 28083380

約数列:

[1, 2, 4, 5, 10, 20, 739, 1478, 1721, 2956, 3442, 3695, 6884, 7390, 8605, 14780, 17210, 34420, 1271819, 2543638, 5087276, 6359095, 12718190, 25436380]

約数ペア:

[(1, 25436380), (2, 12718190), (4, 6359095), (5, 5087276), (10, 2543638), (20, 1271819), (739, 34420), (1478, 17210), (1721, 14780), (2956, 8605), (3442, 7390), (3695, 6884)]