1617085880

素因数分解:

$2^3\times 5^1\times {\mathrm{1693}}^1\times {\mathrm{23879}}^1$

素因数の和:25583

約数の個数: 32

約数和(自身を含む): 3640744800

約数和(自身を除く): 2023658920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1693, 3386, 6772, 8465, 13544, 16930, 23879, 33860, 47758, 67720, 95516, 119395, 191032, 238790, 477580, 955160, 40427147, 80854294, 161708588, 202135735, 323417176, 404271470, 808542940, 1617085880]

約数ペア:

[(1, 1617085880), (2, 808542940), (4, 404271470), (5, 323417176), (8, 202135735), (10, 161708588), (20, 80854294), (40, 40427147), (1693, 955160), (3386, 477580), (6772, 238790), (8465, 191032), (13544, 119395), (16930, 95516), (23879, 67720), (33860, 47758)]