15998440

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{6779}}^1$

素因数の和:6849

約数の個数: 32

約数和(自身を含む): 36612000

約数和(自身を除く): 20613560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 6779, 13558, 27116, 33895, 54232, 67790, 135580, 271160, 399961, 799922, 1599844, 1999805, 3199688, 3999610, 7999220, 15998440]

約数ペア:

[(1, 15998440), (2, 7999220), (4, 3999610), (5, 3199688), (8, 1999805), (10, 1599844), (20, 799922), (40, 399961), (59, 271160), (118, 135580), (236, 67790), (295, 54232), (472, 33895), (590, 27116), (1180, 13558), (2360, 6779)]