204634880

素因数分解:

$2^8\times 5^1\times {\mathrm{159871}}^1$

素因数の和:159892

約数の個数: 36

約数和(自身を含む): 490167552

約数和(自身を除く): 285532672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 159871, 319742, 639484, 799355, 1278968, 1598710, 2557936, 3197420, 5115872, 6394840, 10231744, 12789680, 20463488, 25579360, 40926976, 51158720, 102317440, 204634880]

約数ペア:

[(1, 204634880), (2, 102317440), (4, 51158720), (5, 40926976), (8, 25579360), (10, 20463488), (16, 12789680), (20, 10231744), (32, 6394840), (40, 5115872), (64, 3197420), (80, 2557936), (128, 1598710), (160, 1278968), (256, 799355), (320, 639484), (640, 319742), (1280, 159871)]