51217640

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{15427}}^1$

素因数の和:15521

約数の個数: 32

約数和(自身を含む): 116635680

約数和(自身を除く): 65418040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 15427, 30854, 61708, 77135, 123416, 154270, 308540, 617080, 1280441, 2560882, 5121764, 6402205, 10243528, 12804410, 25608820, 51217640]

約数ペア:

[(1, 51217640), (2, 25608820), (4, 12804410), (5, 10243528), (8, 6402205), (10, 5121764), (20, 2560882), (40, 1280441), (83, 617080), (166, 308540), (332, 154270), (415, 123416), (664, 77135), (830, 61708), (1660, 30854), (3320, 15427)]