25143860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{25657}}^1$

素因数の和:25680

約数の個数: 36

約数和(自身を含む): 61425252

約数和(自身を除く): 36281392

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 25657, 51314, 102628, 128285, 179599, 256570, 359198, 513140, 718396, 897995, 1257193, 1795990, 2514386, 3591980, 5028772, 6285965, 12571930, 25143860]

約数ペア:

[(1, 25143860), (2, 12571930), (4, 6285965), (5, 5028772), (7, 3591980), (10, 2514386), (14, 1795990), (20, 1257193), (28, 897995), (35, 718396), (49, 513140), (70, 359198), (98, 256570), (140, 179599), (196, 128285), (245, 102628), (490, 51314), (980, 25657)]