80860210

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{4001}}^1$

素因数の和:4098

約数の個数: 32

約数和(自身を含む): 152140032

約数和(自身を除く): 71279822

約数列:

[1, 2, 5, 10, 43, 47, 86, 94, 215, 235, 430, 470, 2021, 4001, 4042, 8002, 10105, 20005, 20210, 40010, 172043, 188047, 344086, 376094, 860215, 940235, 1720430, 1880470, 8086021, 16172042, 40430105, 80860210]

約数ペア:

[(1, 80860210), (2, 40430105), (5, 16172042), (10, 8086021), (43, 1880470), (47, 1720430), (86, 940235), (94, 860215), (215, 376094), (235, 344086), (430, 188047), (470, 172043), (2021, 40010), (4001, 20210), (4042, 20005), (8002, 10105)]