25280144

素因数分解:

$2^4\times {\mathrm{173}}^1\times {\mathrm{9133}}^1$

素因数の和:9314

約数の個数: 20

約数和(自身を含む): 49268796

約数和(自身を除く): 23988652

約数列:

[1, 2, 4, 8, 16, 173, 346, 692, 1384, 2768, 9133, 18266, 36532, 73064, 146128, 1580009, 3160018, 6320036, 12640072, 25280144]

約数ペア:

[(1, 25280144), (2, 12640072), (4, 6320036), (8, 3160018), (16, 1580009), (173, 146128), (346, 73064), (692, 36532), (1384, 18266), (2768, 9133)]