29889760

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2099}}^1$

素因数の和:2203

約数の個数: 48

約数和(自身を含む): 71442000

約数和(自身を除く): 41552240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1424, 1780, 2099, 2848, 3560, 4198, 7120, 8396, 10495, 14240, 16792, 20990, 33584, 41980, 67168, 83960, 167920, 186811, 335840, 373622, 747244, 934055, 1494488, 1868110, 2988976, 3736220, 5977952, 7472440, 14944880, 29889760]

約数ペア:

[(1, 29889760), (2, 14944880), (4, 7472440), (5, 5977952), (8, 3736220), (10, 2988976), (16, 1868110), (20, 1494488), (32, 934055), (40, 747244), (80, 373622), (89, 335840), (160, 186811), (178, 167920), (356, 83960), (445, 67168), (712, 41980), (890, 33584), (1424, 20990), (1780, 16792), (2099, 14240), (2848, 10495), (3560, 8396), (4198, 7120)]