1660160

素因数分解:

$2^8\times 5^1\times {\mathrm{1297}}^1$

素因数の和:1318

約数の個数: 36

約数和(自身を含む): 3979668

約数和(自身を除く): 2319508

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 1297, 2594, 5188, 6485, 10376, 12970, 20752, 25940, 41504, 51880, 83008, 103760, 166016, 207520, 332032, 415040, 830080, 1660160]

約数ペア:

[(1, 1660160), (2, 830080), (4, 415040), (5, 332032), (8, 207520), (10, 166016), (16, 103760), (20, 83008), (32, 51880), (40, 41504), (64, 25940), (80, 20752), (128, 12970), (160, 10376), (256, 6485), (320, 5188), (640, 2594), (1280, 1297)]