51913780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{36559}}^1$

素因数の和:36639

約数の個数: 24

約数和(自身を含む): 110557440

約数和(自身を除く): 58643660

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 36559, 73118, 146236, 182795, 365590, 731180, 2595689, 5191378, 10382756, 12978445, 25956890, 51913780]

約数ペア:

[(1, 51913780), (2, 25956890), (4, 12978445), (5, 10382756), (10, 5191378), (20, 2595689), (71, 731180), (142, 365590), (284, 182795), (355, 146236), (710, 73118), (1420, 36559)]