3960380

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2789}}^1$

素因数の和:2869

約数の個数: 24

約数和(自身を含む): 8436960

約数和(自身を除く): 4476580

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 2789, 5578, 11156, 13945, 27890, 55780, 198019, 396038, 792076, 990095, 1980190, 3960380]

約数ペア:

[(1, 3960380), (2, 1980190), (4, 990095), (5, 792076), (10, 396038), (20, 198019), (71, 55780), (142, 27890), (284, 13945), (355, 11156), (710, 5578), (1420, 2789)]