85812340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{138407}}^1$

素因数の和:138447

約数の個数: 24

約数和(自身を含む): 186020352

約数和(自身を除く): 100208012

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 138407, 276814, 553628, 692035, 1384070, 2768140, 4290617, 8581234, 17162468, 21453085, 42906170, 85812340]

約数ペア:

[(1, 85812340), (2, 42906170), (4, 21453085), (5, 17162468), (10, 8581234), (20, 4290617), (31, 2768140), (62, 1384070), (124, 692035), (155, 553628), (310, 276814), (620, 138407)]