854293760

素因数分解:

$2^8\times 5^1\times {\mathrm{667417}}^1$

素因数の和:667438

約数の個数: 36

約数和(自身を含む): 2046303588

約数和(自身を除く): 1192009828

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 667417, 1334834, 2669668, 3337085, 5339336, 6674170, 10678672, 13348340, 21357344, 26696680, 42714688, 53393360, 85429376, 106786720, 170858752, 213573440, 427146880, 854293760]

約数ペア:

[(1, 854293760), (2, 427146880), (4, 213573440), (5, 170858752), (8, 106786720), (10, 85429376), (16, 53393360), (20, 42714688), (32, 26696680), (40, 21357344), (64, 13348340), (80, 10678672), (128, 6674170), (160, 5339336), (256, 3337085), (320, 2669668), (640, 1334834), (1280, 667417)]