1188391280

素因数分解:

$2^4\times 5^1\times {\mathrm{701}}^1\times {\mathrm{21191}}^1$

素因数の和:21905

約数の個数: 40

約数和(自身を含む): 2767081824

約数和(自身を除く): 1578690544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 701, 1402, 2804, 3505, 5608, 7010, 11216, 14020, 21191, 28040, 42382, 56080, 84764, 105955, 169528, 211910, 339056, 423820, 847640, 1695280, 14854891, 29709782, 59419564, 74274455, 118839128, 148548910, 237678256, 297097820, 594195640, 1188391280]

約数ペア:

[(1, 1188391280), (2, 594195640), (4, 297097820), (5, 237678256), (8, 148548910), (10, 118839128), (16, 74274455), (20, 59419564), (40, 29709782), (80, 14854891), (701, 1695280), (1402, 847640), (2804, 423820), (3505, 339056), (5608, 211910), (7010, 169528), (11216, 105955), (14020, 84764), (21191, 56080), (28040, 42382)]