23509520

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4139}}^1$

素因数の和:4223

約数の個数: 40

約数和(自身を含む): 55442880

約数和(自身を除く): 31933360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 4139, 5680, 8278, 16556, 20695, 33112, 41390, 66224, 82780, 165560, 293869, 331120, 587738, 1175476, 1469345, 2350952, 2938690, 4701904, 5877380, 11754760, 23509520]

約数ペア:

[(1, 23509520), (2, 11754760), (4, 5877380), (5, 4701904), (8, 2938690), (10, 2350952), (16, 1469345), (20, 1175476), (40, 587738), (71, 331120), (80, 293869), (142, 165560), (284, 82780), (355, 66224), (568, 41390), (710, 33112), (1136, 20695), (1420, 16556), (2840, 8278), (4139, 5680)]