201891160

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{56711}}^1$

素因数の和:56811

約数の個数: 32

約数和(自身を含む): 459367200

約数和(自身を除く): 257476040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 56711, 113422, 226844, 283555, 453688, 567110, 1134220, 2268440, 5047279, 10094558, 20189116, 25236395, 40378232, 50472790, 100945580, 201891160]

約数ペア:

[(1, 201891160), (2, 100945580), (4, 50472790), (5, 40378232), (8, 25236395), (10, 20189116), (20, 10094558), (40, 5047279), (89, 2268440), (178, 1134220), (356, 567110), (445, 453688), (712, 283555), (890, 226844), (1780, 113422), (3560, 56711)]