4181722340

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{511213}}^1$

素因数の和:511631

約数の個数: 24

約数和(自身を含む): 8803105080

約数和(自身を除く): 4621382740

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 8180, 511213, 1022426, 2044852, 2556065, 5112130, 10224260, 209086117, 418172234, 836344468, 1045430585, 2090861170, 4181722340]

約数ペア:

[(1, 4181722340), (2, 2090861170), (4, 1045430585), (5, 836344468), (10, 418172234), (20, 209086117), (409, 10224260), (818, 5112130), (1636, 2556065), (2045, 2044852), (4090, 1022426), (8180, 511213)]