856556020

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{154613}}^1$

素因数の和:154899

約数の個数: 24

約数和(自身を含む): 1805273064

約数和(自身を除く): 948717044

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 1108, 1385, 2770, 5540, 154613, 309226, 618452, 773065, 1546130, 3092260, 42827801, 85655602, 171311204, 214139005, 428278010, 856556020]

約数ペア:

[(1, 856556020), (2, 428278010), (4, 214139005), (5, 171311204), (10, 85655602), (20, 42827801), (277, 3092260), (554, 1546130), (1108, 773065), (1385, 618452), (2770, 309226), (5540, 154613)]