86168840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{69491}}^1$

素因数の和:69533

約数の個数: 32

約数和(自身を含む): 200136960

約数和(自身を除く): 113968120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 69491, 138982, 277964, 347455, 555928, 694910, 1389820, 2154221, 2779640, 4308442, 8616884, 10771105, 17233768, 21542210, 43084420, 86168840]

約数ペア:

[(1, 86168840), (2, 43084420), (4, 21542210), (5, 17233768), (8, 10771105), (10, 8616884), (20, 4308442), (31, 2779640), (40, 2154221), (62, 1389820), (124, 694910), (155, 555928), (248, 347455), (310, 277964), (620, 138982), (1240, 69491)]