28189280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{25169}}^1$

素因数の和:25191

約数の個数: 48

約数和(自身を含む): 76114080

約数和(自身を除く): 47924800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 25169, 50338, 100676, 125845, 176183, 201352, 251690, 352366, 402704, 503380, 704732, 805408, 880915, 1006760, 1409464, 1761830, 2013520, 2818928, 3523660, 4027040, 5637856, 7047320, 14094640, 28189280]

約数ペア:

[(1, 28189280), (2, 14094640), (4, 7047320), (5, 5637856), (7, 4027040), (8, 3523660), (10, 2818928), (14, 2013520), (16, 1761830), (20, 1409464), (28, 1006760), (32, 880915), (35, 805408), (40, 704732), (56, 503380), (70, 402704), (80, 352366), (112, 251690), (140, 201352), (160, 176183), (224, 125845), (280, 100676), (560, 50338), (1120, 25169)]