90098210

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{21401}}^1$

素因数の和:21829

約数の個数: 16

約数和(自身を含む): 162569592

約数和(自身を除く): 72471382

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 21401, 42802, 107005, 214010, 9009821, 18019642, 45049105, 90098210]

約数ペア:

[(1, 90098210), (2, 45049105), (5, 18019642), (10, 9009821), (421, 214010), (842, 107005), (2105, 42802), (4210, 21401)]