40515520

素因数分解:

$2^6\times 5^1\times {\mathrm{126611}}^1$

素因数の和:126628

約数の個数: 28

約数和(自身を含む): 96478344

約数和(自身を除く): 55962824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 126611, 253222, 506444, 633055, 1012888, 1266110, 2025776, 2532220, 4051552, 5064440, 8103104, 10128880, 20257760, 40515520]

約数ペア:

[(1, 40515520), (2, 20257760), (4, 10128880), (5, 8103104), (8, 5064440), (10, 4051552), (16, 2532220), (20, 2025776), (32, 1266110), (40, 1012888), (64, 633055), (80, 506444), (160, 253222), (320, 126611)]