23217520

素因数分解:

$2^4\times 5^1\times {\mathrm{290219}}^1$

素因数の和:290232

約数の個数: 20

約数和(自身を含む): 53980920

約数和(自身を除く): 30763400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 290219, 580438, 1160876, 1451095, 2321752, 2902190, 4643504, 5804380, 11608760, 23217520]

約数ペア:

[(1, 23217520), (2, 11608760), (4, 5804380), (5, 4643504), (8, 2902190), (10, 2321752), (16, 1451095), (20, 1160876), (40, 580438), (80, 290219)]