40204400

素因数分解:

$2^4\times 5^2\times {\mathrm{100511}}^1$

素因数の和:100529

約数の個数: 30

約数和(自身を含む): 96592032

約数和(自身を除く): 56387632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 100511, 201022, 402044, 502555, 804088, 1005110, 1608176, 2010220, 2512775, 4020440, 5025550, 8040880, 10051100, 20102200, 40204400]

約数ペア:

[(1, 40204400), (2, 20102200), (4, 10051100), (5, 8040880), (8, 5025550), (10, 4020440), (16, 2512775), (20, 2010220), (25, 1608176), (40, 1005110), (50, 804088), (80, 502555), (100, 402044), (200, 201022), (400, 100511)]