26278400

素因数分解:

$2^9\times 5^2\times {\mathrm{2053}}^1$

素因数の和:2081

約数の個数: 60

約数和(自身を含む): 65138502

約数和(自身を除く): 38860102

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1280, 1600, 2053, 2560, 3200, 4106, 6400, 8212, 10265, 12800, 16424, 20530, 32848, 41060, 51325, 65696, 82120, 102650, 131392, 164240, 205300, 262784, 328480, 410600, 525568, 656960, 821200, 1051136, 1313920, 1642400, 2627840, 3284800, 5255680, 6569600, 13139200, 26278400]

約数ペア:

[(1, 26278400), (2, 13139200), (4, 6569600), (5, 5255680), (8, 3284800), (10, 2627840), (16, 1642400), (20, 1313920), (25, 1051136), (32, 821200), (40, 656960), (50, 525568), (64, 410600), (80, 328480), (100, 262784), (128, 205300), (160, 164240), (200, 131392), (256, 102650), (320, 82120), (400, 65696), (512, 51325), (640, 41060), (800, 32848), (1280, 20530), (1600, 16424), (2053, 12800), (2560, 10265), (3200, 8212), (4106, 6400)]