47638840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{27697}}^1$

素因数の和:27751

約数の個数: 32

約数和(自身を含む): 109684080

約数和(自身を除く): 62045240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 27697, 55394, 110788, 138485, 221576, 276970, 553940, 1107880, 1190971, 2381942, 4763884, 5954855, 9527768, 11909710, 23819420, 47638840]

約数ペア:

[(1, 47638840), (2, 23819420), (4, 11909710), (5, 9527768), (8, 5954855), (10, 4763884), (20, 2381942), (40, 1190971), (43, 1107880), (86, 553940), (172, 276970), (215, 221576), (344, 138485), (430, 110788), (860, 55394), (1720, 27697)]