27880360

素因数分解:

$2^3\times 5^1\times {\mathrm{697009}}^1$

素因数の和:697020

約数の個数: 16

約数和(自身を含む): 62730900

約数和(自身を除く): 34850540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 697009, 1394018, 2788036, 3485045, 5576072, 6970090, 13940180, 27880360]

約数ペア:

[(1, 27880360), (2, 13940180), (4, 6970090), (5, 5576072), (8, 3485045), (10, 2788036), (20, 1394018), (40, 697009)]