22139120

素因数分解:

$2^4\times 5^1\times {\mathrm{276739}}^1$

素因数の和:276752

約数の個数: 20

約数和(自身を含む): 51473640

約数和(自身を除く): 29334520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 276739, 553478, 1106956, 1383695, 2213912, 2767390, 4427824, 5534780, 11069560, 22139120]

約数ペア:

[(1, 22139120), (2, 11069560), (4, 5534780), (5, 4427824), (8, 2767390), (10, 2213912), (16, 1383695), (20, 1106956), (40, 553478), (80, 276739)]