87168280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{70297}}^1$

素因数の和:70339

約数の個数: 32

約数和(自身を含む): 202458240

約数和(自身を除く): 115289960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 70297, 140594, 281188, 351485, 562376, 702970, 1405940, 2179207, 2811880, 4358414, 8716828, 10896035, 17433656, 21792070, 43584140, 87168280]

約数ペア:

[(1, 87168280), (2, 43584140), (4, 21792070), (5, 17433656), (8, 10896035), (10, 8716828), (20, 4358414), (31, 2811880), (40, 2179207), (62, 1405940), (124, 702970), (155, 562376), (248, 351485), (310, 281188), (620, 140594), (1240, 70297)]