51532240

素因数分解:

$2^4\times 5^1\times {\mathrm{644153}}^1$

素因数の和:644166

約数の個数: 20

約数和(自身を含む): 119812644

約数和(自身を除く): 68280404

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 644153, 1288306, 2576612, 3220765, 5153224, 6441530, 10306448, 12883060, 25766120, 51532240]

約数ペア:

[(1, 51532240), (2, 25766120), (4, 12883060), (5, 10306448), (8, 6441530), (10, 5153224), (16, 3220765), (20, 2576612), (40, 1288306), (80, 644153)]