80166800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{28631}}^1$

素因数の和:28656

約数の個数: 60

約数和(自身を含む): 220122816

約数和(自身を除く): 139956016

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800, 28631, 57262, 114524, 143155, 200417, 229048, 286310, 400834, 458096, 572620, 715775, 801668, 1002085, 1145240, 1431550, 1603336, 2004170, 2290480, 2863100, 3206672, 4008340, 5010425, 5726200, 8016680, 10020850, 11452400, 16033360, 20041700, 40083400, 80166800]

約数ペア:

[(1, 80166800), (2, 40083400), (4, 20041700), (5, 16033360), (7, 11452400), (8, 10020850), (10, 8016680), (14, 5726200), (16, 5010425), (20, 4008340), (25, 3206672), (28, 2863100), (35, 2290480), (40, 2004170), (50, 1603336), (56, 1431550), (70, 1145240), (80, 1002085), (100, 801668), (112, 715775), (140, 572620), (175, 458096), (200, 400834), (280, 286310), (350, 229048), (400, 200417), (560, 143155), (700, 114524), (1400, 57262), (2800, 28631)]