85557280

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3847}}^1$

素因数の和:4001

約数の個数: 48

約数和(自身を含む): 203636160

約数和(自身を除く): 118078880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 556, 695, 1112, 1390, 2224, 2780, 3847, 4448, 5560, 7694, 11120, 15388, 19235, 22240, 30776, 38470, 61552, 76940, 123104, 153880, 307760, 534733, 615520, 1069466, 2138932, 2673665, 4277864, 5347330, 8555728, 10694660, 17111456, 21389320, 42778640, 85557280]

約数ペア:

[(1, 85557280), (2, 42778640), (4, 21389320), (5, 17111456), (8, 10694660), (10, 8555728), (16, 5347330), (20, 4277864), (32, 2673665), (40, 2138932), (80, 1069466), (139, 615520), (160, 534733), (278, 307760), (556, 153880), (695, 123104), (1112, 76940), (1390, 61552), (2224, 38470), (2780, 30776), (3847, 22240), (4448, 19235), (5560, 15388), (7694, 11120)]