2545460

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{929}}^1$

素因数の和:1075

約数の個数: 24

約数和(自身を含む): 5390280

約数和(自身を除く): 2844820

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 929, 1370, 1858, 2740, 3716, 4645, 9290, 18580, 127273, 254546, 509092, 636365, 1272730, 2545460]

約数ペア:

[(1, 2545460), (2, 1272730), (4, 636365), (5, 509092), (10, 254546), (20, 127273), (137, 18580), (274, 9290), (548, 4645), (685, 3716), (929, 2740), (1370, 1858)]