8645480

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^2\times {\mathrm{257}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 20224620

約数和(自身を除く): 11579140

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 257, 290, 514, 580, 841, 1028, 1160, 1285, 1682, 2056, 2570, 3364, 4205, 5140, 6728, 7453, 8410, 10280, 14906, 16820, 29812, 33640, 37265, 59624, 74530, 149060, 216137, 298120, 432274, 864548, 1080685, 1729096, 2161370, 4322740, 8645480]

約数ペア:

[(1, 8645480), (2, 4322740), (4, 2161370), (5, 1729096), (8, 1080685), (10, 864548), (20, 432274), (29, 298120), (40, 216137), (58, 149060), (116, 74530), (145, 59624), (232, 37265), (257, 33640), (290, 29812), (514, 16820), (580, 14906), (841, 10280), (1028, 8410), (1160, 7453), (1285, 6728), (1682, 5140), (2056, 4205), (2570, 3364)]