129627200

素因数分解:

$2^6\times 5^2\times {\mathrm{81017}}^1$

素因数の和:81039

約数の個数: 42

約数和(自身を含む): 318967866

約数和(自身を除く): 189340666

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 81017, 162034, 324068, 405085, 648136, 810170, 1296272, 1620340, 2025425, 2592544, 3240680, 4050850, 5185088, 6481360, 8101700, 12962720, 16203400, 25925440, 32406800, 64813600, 129627200]

約数ペア:

[(1, 129627200), (2, 64813600), (4, 32406800), (5, 25925440), (8, 16203400), (10, 12962720), (16, 8101700), (20, 6481360), (25, 5185088), (32, 4050850), (40, 3240680), (50, 2592544), (64, 2025425), (80, 1620340), (100, 1296272), (160, 810170), (200, 648136), (320, 405085), (400, 324068), (800, 162034), (1600, 81017)]