85438400

素因数分解:

$2^6\times 5^2\times {\mathrm{67}}^1\times {\mathrm{797}}^1$

素因数の和:886

約数の個数: 84

約数和(自身を含む): 213637368

約数和(自身を除く): 128198968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 67, 80, 100, 134, 160, 200, 268, 320, 335, 400, 536, 670, 797, 800, 1072, 1340, 1594, 1600, 1675, 2144, 2680, 3188, 3350, 3985, 4288, 5360, 6376, 6700, 7970, 10720, 12752, 13400, 15940, 19925, 21440, 25504, 26800, 31880, 39850, 51008, 53399, 53600, 63760, 79700, 106798, 107200, 127520, 159400, 213596, 255040, 266995, 318800, 427192, 533990, 637600, 854384, 1067980, 1275200, 1334975, 1708768, 2135960, 2669950, 3417536, 4271920, 5339900, 8543840, 10679800, 17087680, 21359600, 42719200, 85438400]

約数ペア:

[(1, 85438400), (2, 42719200), (4, 21359600), (5, 17087680), (8, 10679800), (10, 8543840), (16, 5339900), (20, 4271920), (25, 3417536), (32, 2669950), (40, 2135960), (50, 1708768), (64, 1334975), (67, 1275200), (80, 1067980), (100, 854384), (134, 637600), (160, 533990), (200, 427192), (268, 318800), (320, 266995), (335, 255040), (400, 213596), (536, 159400), (670, 127520), (797, 107200), (800, 106798), (1072, 79700), (1340, 63760), (1594, 53600), (1600, 53399), (1675, 51008), (2144, 39850), (2680, 31880), (3188, 26800), (3350, 25504), (3985, 21440), (4288, 19925), (5360, 15940), (6376, 13400), (6700, 12752), (7970, 10720)]