86970280

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{13339}}^1$

素因数の和:13513

約数の個数: 32

約数和(自身を含む): 196898400

約数和(自身を除く): 109928120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 13339, 26678, 53356, 66695, 106712, 133390, 266780, 533560, 2174257, 4348514, 8697028, 10871285, 17394056, 21742570, 43485140, 86970280]

約数ペア:

[(1, 86970280), (2, 43485140), (4, 21742570), (5, 17394056), (8, 10871285), (10, 8697028), (20, 4348514), (40, 2174257), (163, 533560), (326, 266780), (652, 133390), (815, 106712), (1304, 66695), (1630, 53356), (3260, 26678), (6520, 13339)]