551090560

素因数分解:

$2^7\times 5^1\times {\mathrm{861079}}^1$

素因数の和:861098

約数の個数: 32

約数和(自身を含む): 1317452400

約数和(自身を除く): 766361840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 861079, 1722158, 3444316, 4305395, 6888632, 8610790, 13777264, 17221580, 27554528, 34443160, 55109056, 68886320, 110218112, 137772640, 275545280, 551090560]

約数ペア:

[(1, 551090560), (2, 275545280), (4, 137772640), (5, 110218112), (8, 68886320), (10, 55109056), (16, 34443160), (20, 27554528), (32, 17221580), (40, 13777264), (64, 8610790), (80, 6888632), (128, 4305395), (160, 3444316), (320, 1722158), (640, 861079)]