87539660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{10861}}^1$

素因数の和:10914

約数の個数: 48

約数和(自身を含む): 204379392

約数和(自身を除く): 116839732

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 10861, 21722, 43444, 54305, 108610, 141193, 217220, 282386, 336691, 564772, 673382, 705965, 1346764, 1411930, 1683455, 2823860, 3366910, 4376983, 6733820, 8753966, 17507932, 21884915, 43769830, 87539660]

約数ペア:

[(1, 87539660), (2, 43769830), (4, 21884915), (5, 17507932), (10, 8753966), (13, 6733820), (20, 4376983), (26, 3366910), (31, 2823860), (52, 1683455), (62, 1411930), (65, 1346764), (124, 705965), (130, 673382), (155, 564772), (260, 336691), (310, 282386), (403, 217220), (620, 141193), (806, 108610), (1612, 54305), (2015, 43444), (4030, 21722), (8060, 10861)]