204227840

素因数分解:

$2^8\times 5^1\times {\mathrm{159553}}^1$

素因数の和:159574

約数の個数: 36

約数和(自身を含む): 489192564

約数和(自身を除く): 284964724

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 159553, 319106, 638212, 797765, 1276424, 1595530, 2552848, 3191060, 5105696, 6382120, 10211392, 12764240, 20422784, 25528480, 40845568, 51056960, 102113920, 204227840]

約数ペア:

[(1, 204227840), (2, 102113920), (4, 51056960), (5, 40845568), (8, 25528480), (10, 20422784), (16, 12764240), (20, 10211392), (32, 6382120), (40, 5105696), (64, 3191060), (80, 2552848), (128, 1595530), (160, 1276424), (256, 797765), (320, 638212), (640, 319106), (1280, 159553)]