1978750

素因数分解:

$2^1\times 5^4\times {\mathrm{1583}}^1$

素因数の和:1605

約数の個数: 20

約数和(自身を含む): 3711312

約数和(自身を除く): 1732562

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 1583, 3166, 7915, 15830, 39575, 79150, 197875, 395750, 989375, 1978750]

約数ペア:

[(1, 1978750), (2, 989375), (5, 395750), (10, 197875), (25, 79150), (50, 39575), (125, 15830), (250, 7915), (625, 3166), (1250, 1583)]