26720000

素因数分解:

$2^8\times 5^4\times {\mathrm{167}}^1$

素因数の和:203

約数の個数: 90

約数和(自身を含む): 67047288

約数和(自身を除く): 40327288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 167, 200, 250, 256, 320, 334, 400, 500, 625, 640, 668, 800, 835, 1000, 1250, 1280, 1336, 1600, 1670, 2000, 2500, 2672, 3200, 3340, 4000, 4175, 5000, 5344, 6400, 6680, 8000, 8350, 10000, 10688, 13360, 16000, 16700, 20000, 20875, 21376, 26720, 32000, 33400, 40000, 41750, 42752, 53440, 66800, 80000, 83500, 104375, 106880, 133600, 160000, 167000, 208750, 213760, 267200, 334000, 417500, 534400, 668000, 835000, 1068800, 1336000, 1670000, 2672000, 3340000, 5344000, 6680000, 13360000, 26720000]

約数ペア:

[(1, 26720000), (2, 13360000), (4, 6680000), (5, 5344000), (8, 3340000), (10, 2672000), (16, 1670000), (20, 1336000), (25, 1068800), (32, 835000), (40, 668000), (50, 534400), (64, 417500), (80, 334000), (100, 267200), (125, 213760), (128, 208750), (160, 167000), (167, 160000), (200, 133600), (250, 106880), (256, 104375), (320, 83500), (334, 80000), (400, 66800), (500, 53440), (625, 42752), (640, 41750), (668, 40000), (800, 33400), (835, 32000), (1000, 26720), (1250, 21376), (1280, 20875), (1336, 20000), (1600, 16700), (1670, 16000), (2000, 13360), (2500, 10688), (2672, 10000), (3200, 8350), (3340, 8000), (4000, 6680), (4175, 6400), (5000, 5344)]