87531280

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^2\times {\mathrm{1301}}^1$

素因数の和:1372

約数の個数: 60

約数和(自身を含む): 210931812

約数和(自身を除く): 123400532

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 841, 1160, 1301, 1682, 2320, 2602, 3364, 4205, 5204, 6505, 6728, 8410, 10408, 13010, 13456, 16820, 20816, 26020, 33640, 37729, 52040, 67280, 75458, 104080, 150916, 188645, 301832, 377290, 603664, 754580, 1094141, 1509160, 2188282, 3018320, 4376564, 5470705, 8753128, 10941410, 17506256, 21882820, 43765640, 87531280]

約数ペア:

[(1, 87531280), (2, 43765640), (4, 21882820), (5, 17506256), (8, 10941410), (10, 8753128), (16, 5470705), (20, 4376564), (29, 3018320), (40, 2188282), (58, 1509160), (80, 1094141), (116, 754580), (145, 603664), (232, 377290), (290, 301832), (464, 188645), (580, 150916), (841, 104080), (1160, 75458), (1301, 67280), (1682, 52040), (2320, 37729), (2602, 33640), (3364, 26020), (4205, 20816), (5204, 16820), (6505, 13456), (6728, 13010), (8410, 10408)]