204714880

素因数分解:

$2^7\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3167}}^1$

素因数の和:3287

約数の個数: 64

約数和(自身を含む): 494398080

約数和(自身を除く): 289683200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 128, 160, 202, 320, 404, 505, 640, 808, 1010, 1616, 2020, 3167, 3232, 4040, 6334, 6464, 8080, 12668, 12928, 15835, 16160, 25336, 31670, 32320, 50672, 63340, 64640, 101344, 126680, 202688, 253360, 319867, 405376, 506720, 639734, 1013440, 1279468, 1599335, 2026880, 2558936, 3198670, 5117872, 6397340, 10235744, 12794680, 20471488, 25589360, 40942976, 51178720, 102357440, 204714880]

約数ペア:

[(1, 204714880), (2, 102357440), (4, 51178720), (5, 40942976), (8, 25589360), (10, 20471488), (16, 12794680), (20, 10235744), (32, 6397340), (40, 5117872), (64, 3198670), (80, 2558936), (101, 2026880), (128, 1599335), (160, 1279468), (202, 1013440), (320, 639734), (404, 506720), (505, 405376), (640, 319867), (808, 253360), (1010, 202688), (1616, 126680), (2020, 101344), (3167, 64640), (3232, 63340), (4040, 50672), (6334, 32320), (6464, 31670), (8080, 25336), (12668, 16160), (12928, 15835)]