80676400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{28813}}^1$

素因数の和:28838

約数の個数: 60

約数和(自身を含む): 221522032

約数和(自身を除く): 140845632

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, 28813, 57626, 115252, 144065, 201691, 230504, 288130, 403382, 461008, 576260, 720325, 806764, 1008455, 1152520, 1440650, 1613528, 2016910, 2305040, 2881300, 3227056, 4033820, 5042275, 5762600, 8067640, 10084550, 11525200, 16135280, 20169100, 40338200, 80676400]

約数ペア:

[(1, 80676400), (2, 40338200), (4, 20169100), (5, 16135280), (7, 11525200), (8, 10084550), (10, 8067640), (14, 5762600), (16, 5042275), (20, 4033820), (25, 3227056), (28, 2881300), (35, 2305040), (40, 2016910), (50, 1613528), (56, 1440650), (70, 1152520), (80, 1008455), (100, 806764), (112, 720325), (140, 576260), (175, 461008), (200, 403382), (280, 288130), (350, 230504), (400, 201691), (560, 144065), (700, 115252), (1400, 57626), (2800, 28813)]