3875180

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2729}}^1$

素因数の和:2809

約数の個数: 24

約数和(自身を含む): 8255520

約数和(自身を除く): 4380340

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 2729, 5458, 10916, 13645, 27290, 54580, 193759, 387518, 775036, 968795, 1937590, 3875180]

約数ペア:

[(1, 3875180), (2, 1937590), (4, 968795), (5, 775036), (10, 387518), (20, 193759), (71, 54580), (142, 27290), (284, 13645), (355, 10916), (710, 5458), (1420, 2729)]