54787640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{72089}}^1$

素因数の和:72119

約数の個数: 32

約数和(自身を含む): 129762000

約数和(自身を除く): 74974360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 72089, 144178, 288356, 360445, 576712, 720890, 1369691, 1441780, 2739382, 2883560, 5478764, 6848455, 10957528, 13696910, 27393820, 54787640]

約数ペア:

[(1, 54787640), (2, 27393820), (4, 13696910), (5, 10957528), (8, 6848455), (10, 5478764), (19, 2883560), (20, 2739382), (38, 1441780), (40, 1369691), (76, 720890), (95, 576712), (152, 360445), (190, 288356), (380, 144178), (760, 72089)]