51347720

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{11777}}^1$

素因数の和:11897

約数の個数: 32

約数和(自身を含む): 116602200

約数和(自身を除く): 65254480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 11777, 23554, 47108, 58885, 94216, 117770, 235540, 471080, 1283693, 2567386, 5134772, 6418465, 10269544, 12836930, 25673860, 51347720]

約数ペア:

[(1, 51347720), (2, 25673860), (4, 12836930), (5, 10269544), (8, 6418465), (10, 5134772), (20, 2567386), (40, 1283693), (109, 471080), (218, 235540), (436, 117770), (545, 94216), (872, 58885), (1090, 47108), (2180, 23554), (4360, 11777)]