26207920

素因数分解:

$2^4\times 5^1\times {\mathrm{327599}}^1$

素因数の和:327612

約数の個数: 20

約数和(自身を含む): 60933600

約数和(自身を除く): 34725680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 327599, 655198, 1310396, 1637995, 2620792, 3275990, 5241584, 6551980, 13103960, 26207920]

約数ペア:

[(1, 26207920), (2, 13103960), (4, 6551980), (5, 5241584), (8, 3275990), (10, 2620792), (16, 1637995), (20, 1310396), (40, 655198), (80, 327599)]