12880880

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{2729}}^1$

素因数の和:2801

約数の個数: 40

約数和(自身を含む): 30466800

約数和(自身を除く): 17585920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 472, 590, 944, 1180, 2360, 2729, 4720, 5458, 10916, 13645, 21832, 27290, 43664, 54580, 109160, 161011, 218320, 322022, 644044, 805055, 1288088, 1610110, 2576176, 3220220, 6440440, 12880880]

約数ペア:

[(1, 12880880), (2, 6440440), (4, 3220220), (5, 2576176), (8, 1610110), (10, 1288088), (16, 805055), (20, 644044), (40, 322022), (59, 218320), (80, 161011), (118, 109160), (236, 54580), (295, 43664), (472, 27290), (590, 21832), (944, 13645), (1180, 10916), (2360, 5458), (2729, 4720)]