83987060

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{135463}}^1$

素因数の和:135503

約数の個数: 24

約数和(自身を含む): 182063616

約数和(自身を除く): 98076556

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 135463, 270926, 541852, 677315, 1354630, 2709260, 4199353, 8398706, 16797412, 20996765, 41993530, 83987060]

約数ペア:

[(1, 83987060), (2, 41993530), (4, 20996765), (5, 16797412), (10, 8398706), (20, 4199353), (31, 2709260), (62, 1354630), (124, 677315), (155, 541852), (310, 270926), (620, 135463)]