28242560

素因数分解:

$2^7\times 5^1\times {\mathrm{44129}}^1$

素因数の和:44148

約数の個数: 32

約数和(自身を含む): 67518900

約数和(自身を除く): 39276340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 44129, 88258, 176516, 220645, 353032, 441290, 706064, 882580, 1412128, 1765160, 2824256, 3530320, 5648512, 7060640, 14121280, 28242560]

約数ペア:

[(1, 28242560), (2, 14121280), (4, 7060640), (5, 5648512), (8, 3530320), (10, 2824256), (16, 1765160), (20, 1412128), (32, 882580), (40, 706064), (64, 441290), (80, 353032), (128, 220645), (160, 176516), (320, 88258), (640, 44129)]