2820443890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{25640399}}^1$

素因数の和:25640417

約数の個数: 16

約数和(自身を含む): 5538326400

約数和(自身を除く): 2717882510

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 25640399, 51280798, 128201995, 256403990, 282044389, 564088778, 1410221945, 2820443890]

約数ペア:

[(1, 2820443890), (2, 1410221945), (5, 564088778), (10, 282044389), (11, 256403990), (22, 128201995), (55, 51280798), (110, 25640399)]