40490990

素因数分解:

$2^1\times 5^1\times {\mathrm{709}}^1\times {\mathrm{5711}}^1$

素因数の和:6427

約数の個数: 16

約数和(自身を含む): 72999360

約数和(自身を除く): 32508370

約数列:

[1, 2, 5, 10, 709, 1418, 3545, 5711, 7090, 11422, 28555, 57110, 4049099, 8098198, 20245495, 40490990]

約数ペア:

[(1, 40490990), (2, 20245495), (5, 8098198), (10, 4049099), (709, 57110), (1418, 28555), (3545, 11422), (5711, 7090)]