80645200

素因数分解:

$2^4\times 5^2\times {\mathrm{37}}^1\times {\mathrm{5449}}^1$

素因数の和:5504

約数の個数: 60

約数和(自身を含む): 199023100

約数和(自身を除く): 118377900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 37, 40, 50, 74, 80, 100, 148, 185, 200, 296, 370, 400, 592, 740, 925, 1480, 1850, 2960, 3700, 5449, 7400, 10898, 14800, 21796, 27245, 43592, 54490, 87184, 108980, 136225, 201613, 217960, 272450, 403226, 435920, 544900, 806452, 1008065, 1089800, 1612904, 2016130, 2179600, 3225808, 4032260, 5040325, 8064520, 10080650, 16129040, 20161300, 40322600, 80645200]

約数ペア:

[(1, 80645200), (2, 40322600), (4, 20161300), (5, 16129040), (8, 10080650), (10, 8064520), (16, 5040325), (20, 4032260), (25, 3225808), (37, 2179600), (40, 2016130), (50, 1612904), (74, 1089800), (80, 1008065), (100, 806452), (148, 544900), (185, 435920), (200, 403226), (296, 272450), (370, 217960), (400, 201613), (592, 136225), (740, 108980), (925, 87184), (1480, 54490), (1850, 43592), (2960, 27245), (3700, 21796), (5449, 14800), (7400, 10898)]