29979280

素因数分解:

$2^4\times 5^1\times {\mathrm{374741}}^1$

素因数の和:374754

約数の個数: 20

約数和(自身を含む): 69702012

約数和(自身を除く): 39722732

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 374741, 749482, 1498964, 1873705, 2997928, 3747410, 5995856, 7494820, 14989640, 29979280]

約数ペア:

[(1, 29979280), (2, 14989640), (4, 7494820), (5, 5995856), (8, 3747410), (10, 2997928), (16, 1873705), (20, 1498964), (40, 749482), (80, 374741)]