138867760

素因数分解:

$2^4\times 5^1\times {\mathrm{1735847}}^1$

素因数の和:1735860

約数の個数: 20

約数和(自身を含む): 322867728

約数和(自身を除く): 183999968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1735847, 3471694, 6943388, 8679235, 13886776, 17358470, 27773552, 34716940, 69433880, 138867760]

約数ペア:

[(1, 138867760), (2, 69433880), (4, 34716940), (5, 27773552), (8, 17358470), (10, 13886776), (16, 8679235), (20, 6943388), (40, 3471694), (80, 1735847)]