51470800

素因数分解:

$2^4\times 5^2\times {\mathrm{128677}}^1$

素因数の和:128695

約数の個数: 30

約数和(自身を含む): 123659558

約数和(自身を除く): 72188758

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 128677, 257354, 514708, 643385, 1029416, 1286770, 2058832, 2573540, 3216925, 5147080, 6433850, 10294160, 12867700, 25735400, 51470800]

約数ペア:

[(1, 51470800), (2, 25735400), (4, 12867700), (5, 10294160), (8, 6433850), (10, 5147080), (16, 3216925), (20, 2573540), (25, 2058832), (40, 1286770), (50, 1029416), (80, 643385), (100, 514708), (200, 257354), (400, 128677)]