23204080

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3259}}^1$

素因数の和:3361

約数の個数: 40

約数和(自身を含む): 54572400

約数和(自身を除く): 31368320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3259, 3560, 6518, 7120, 13036, 16295, 26072, 32590, 52144, 65180, 130360, 260720, 290051, 580102, 1160204, 1450255, 2320408, 2900510, 4640816, 5801020, 11602040, 23204080]

約数ペア:

[(1, 23204080), (2, 11602040), (4, 5801020), (5, 4640816), (8, 2900510), (10, 2320408), (16, 1450255), (20, 1160204), (40, 580102), (80, 290051), (89, 260720), (178, 130360), (356, 65180), (445, 52144), (712, 32590), (890, 26072), (1424, 16295), (1780, 13036), (3259, 7120), (3560, 6518)]