11956840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{42703}}^1$

素因数の和:42721

約数の個数: 32

約数和(自身を含む): 30746880

約数和(自身を除く): 18790040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 42703, 85406, 170812, 213515, 298921, 341624, 427030, 597842, 854060, 1195684, 1494605, 1708120, 2391368, 2989210, 5978420, 11956840]

約数ペア:

[(1, 11956840), (2, 5978420), (4, 2989210), (5, 2391368), (7, 1708120), (8, 1494605), (10, 1195684), (14, 854060), (20, 597842), (28, 427030), (35, 341624), (40, 298921), (56, 213515), (70, 170812), (140, 85406), (280, 42703)]