65905120

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{17909}}^1$

素因数の和:17947

約数の個数: 48

約数和(自身を含む): 162479520

約数和(自身を除く): 96574400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 17909, 35818, 71636, 89545, 143272, 179090, 286544, 358180, 411907, 573088, 716360, 823814, 1432720, 1647628, 2059535, 2865440, 3295256, 4119070, 6590512, 8238140, 13181024, 16476280, 32952560, 65905120]

約数ペア:

[(1, 65905120), (2, 32952560), (4, 16476280), (5, 13181024), (8, 8238140), (10, 6590512), (16, 4119070), (20, 3295256), (23, 2865440), (32, 2059535), (40, 1647628), (46, 1432720), (80, 823814), (92, 716360), (115, 573088), (160, 411907), (184, 358180), (230, 286544), (368, 179090), (460, 143272), (736, 89545), (920, 71636), (1840, 35818), (3680, 17909)]