4134220

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{491}}^1$

素因数の和:921

約数の個数: 24

約数和(自身を含む): 8720208

約数和(自身を除く): 4585988

約数列:

[1, 2, 4, 5, 10, 20, 421, 491, 842, 982, 1684, 1964, 2105, 2455, 4210, 4910, 8420, 9820, 206711, 413422, 826844, 1033555, 2067110, 4134220]

約数ペア:

[(1, 4134220), (2, 2067110), (4, 1033555), (5, 826844), (10, 413422), (20, 206711), (421, 9820), (491, 8420), (842, 4910), (982, 4210), (1684, 2455), (1964, 2105)]