78000380

素因数分解:

$2^2\times 5^1\times {\mathrm{877}}^1\times {\mathrm{4447}}^1$

素因数の和:5333

約数の個数: 24

約数和(自身を含む): 164024448

約数和(自身を除く): 86024068

約数列:

[1, 2, 4, 5, 10, 20, 877, 1754, 3508, 4385, 4447, 8770, 8894, 17540, 17788, 22235, 44470, 88940, 3900019, 7800038, 15600076, 19500095, 39000190, 78000380]

約数ペア:

[(1, 78000380), (2, 39000190), (4, 19500095), (5, 15600076), (10, 7800038), (20, 3900019), (877, 88940), (1754, 44470), (3508, 22235), (4385, 17788), (4447, 17540), (8770, 8894)]