71179280

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{21701}}^1$

素因数の和:21755

約数の個数: 40

約数和(自身を含む): 169536024

約数和(自身を除く): 98356744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 21701, 43402, 86804, 108505, 173608, 217010, 347216, 434020, 868040, 889741, 1736080, 1779482, 3558964, 4448705, 7117928, 8897410, 14235856, 17794820, 35589640, 71179280]

約数ペア:

[(1, 71179280), (2, 35589640), (4, 17794820), (5, 14235856), (8, 8897410), (10, 7117928), (16, 4448705), (20, 3558964), (40, 1779482), (41, 1736080), (80, 889741), (82, 868040), (164, 434020), (205, 347216), (328, 217010), (410, 173608), (656, 108505), (820, 86804), (1640, 43402), (3280, 21701)]