84865280

素因数分解:

$2^8\times 5^1\times {\mathrm{66301}}^1$

素因数の和:66322

約数の個数: 36

約数和(自身を含む): 203281932

約数和(自身を除く): 118416652

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 66301, 132602, 265204, 331505, 530408, 663010, 1060816, 1326020, 2121632, 2652040, 4243264, 5304080, 8486528, 10608160, 16973056, 21216320, 42432640, 84865280]

約数ペア:

[(1, 84865280), (2, 42432640), (4, 21216320), (5, 16973056), (8, 10608160), (10, 8486528), (16, 5304080), (20, 4243264), (32, 2652040), (40, 2121632), (64, 1326020), (80, 1060816), (128, 663010), (160, 530408), (256, 331505), (320, 265204), (640, 132602), (1280, 66301)]