25385780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{1013}}^1$

素因数の和:1208

約数の個数: 48

約数和(自身を含む): 61326720

約数和(自身を除く): 35940940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 179, 358, 716, 895, 1013, 1253, 1790, 2026, 2506, 3580, 4052, 5012, 5065, 6265, 7091, 10130, 12530, 14182, 20260, 25060, 28364, 35455, 70910, 141820, 181327, 362654, 725308, 906635, 1269289, 1813270, 2538578, 3626540, 5077156, 6346445, 12692890, 25385780]

約数ペア:

[(1, 25385780), (2, 12692890), (4, 6346445), (5, 5077156), (7, 3626540), (10, 2538578), (14, 1813270), (20, 1269289), (28, 906635), (35, 725308), (70, 362654), (140, 181327), (179, 141820), (358, 70910), (716, 35455), (895, 28364), (1013, 25060), (1253, 20260), (1790, 14182), (2026, 12530), (2506, 10130), (3580, 7091), (4052, 6265), (5012, 5065)]