28091840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{12541}}^1$

素因数の和:12565

約数の個数: 56

約数和(自身を含む): 76456032

約数和(自身を除く): 48364192

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 12541, 25082, 50164, 62705, 87787, 100328, 125410, 175574, 200656, 250820, 351148, 401312, 438935, 501640, 702296, 802624, 877870, 1003280, 1404592, 1755740, 2006560, 2809184, 3511480, 4013120, 5618368, 7022960, 14045920, 28091840]

約数ペア:

[(1, 28091840), (2, 14045920), (4, 7022960), (5, 5618368), (7, 4013120), (8, 3511480), (10, 2809184), (14, 2006560), (16, 1755740), (20, 1404592), (28, 1003280), (32, 877870), (35, 802624), (40, 702296), (56, 501640), (64, 438935), (70, 401312), (80, 351148), (112, 250820), (140, 200656), (160, 175574), (224, 125410), (280, 100328), (320, 87787), (448, 62705), (560, 50164), (1120, 25082), (2240, 12541)]