51387040

素因数分解:

$2^5\times 5^1\times {\mathrm{321169}}^1$

素因数の和:321184

約数の個数: 24

約数和(自身を含む): 121402260

約数和(自身を除く): 70015220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 321169, 642338, 1284676, 1605845, 2569352, 3211690, 5138704, 6423380, 10277408, 12846760, 25693520, 51387040]

約数ペア:

[(1, 51387040), (2, 25693520), (4, 12846760), (5, 10277408), (8, 6423380), (10, 5138704), (16, 3211690), (20, 2569352), (32, 1605845), (40, 1284676), (80, 642338), (160, 321169)]