1372880

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^2$

素因数の和:275

約数の個数: 30

約数和(自身を含む): 3216498

約数和(自身を除く): 1843618

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 5240, 10480, 17161, 34322, 68644, 85805, 137288, 171610, 274576, 343220, 686440, 1372880]

約数ペア:

[(1, 1372880), (2, 686440), (4, 343220), (5, 274576), (8, 171610), (10, 137288), (16, 85805), (20, 68644), (40, 34322), (80, 17161), (131, 10480), (262, 5240), (524, 2620), (655, 2096), (1048, 1310)]