51003440

素因数分解:

$2^4\times 5^1\times {\mathrm{637543}}^1$

素因数の和:637556

約数の個数: 20

約数和(自身を含む): 118583184

約数和(自身を除く): 67579744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 637543, 1275086, 2550172, 3187715, 5100344, 6375430, 10200688, 12750860, 25501720, 51003440]

約数ペア:

[(1, 51003440), (2, 25501720), (4, 12750860), (5, 10200688), (8, 6375430), (10, 5100344), (16, 3187715), (20, 2550172), (40, 1275086), (80, 637543)]