81101200

素因数分解:

$2^4\times 5^2\times {\mathrm{202753}}^1$

素因数の和:202771

約数の個数: 30

約数和(自身を含む): 194846594

約数和(自身を除く): 113745394

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 202753, 405506, 811012, 1013765, 1622024, 2027530, 3244048, 4055060, 5068825, 8110120, 10137650, 16220240, 20275300, 40550600, 81101200]

約数ペア:

[(1, 81101200), (2, 40550600), (4, 20275300), (5, 16220240), (8, 10137650), (10, 8110120), (16, 5068825), (20, 4055060), (25, 3244048), (40, 2027530), (50, 1622024), (80, 1013765), (100, 811012), (200, 405506), (400, 202753)]