80463500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{12379}}^1$

素因数の和:12411

約数の個数: 48

約数和(自身を含む): 189265440

約数和(自身を除く): 108801940

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 3250, 6500, 12379, 24758, 49516, 61895, 123790, 160927, 247580, 309475, 321854, 618950, 643708, 804635, 1237900, 1547375, 1609270, 3094750, 3218540, 4023175, 6189500, 8046350, 16092700, 20115875, 40231750, 80463500]

約数ペア:

[(1, 80463500), (2, 40231750), (4, 20115875), (5, 16092700), (10, 8046350), (13, 6189500), (20, 4023175), (25, 3218540), (26, 3094750), (50, 1609270), (52, 1547375), (65, 1237900), (100, 804635), (125, 643708), (130, 618950), (250, 321854), (260, 309475), (325, 247580), (500, 160927), (650, 123790), (1300, 61895), (1625, 49516), (3250, 24758), (6500, 12379)]