138177440

素因数分解:

$2^5\times 5^1\times {\mathrm{863609}}^1$

素因数の和:863624

約数の個数: 24

約数和(自身を含む): 326444580

約数和(自身を除く): 188267140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 863609, 1727218, 3454436, 4318045, 6908872, 8636090, 13817744, 17272180, 27635488, 34544360, 69088720, 138177440]

約数ペア:

[(1, 138177440), (2, 69088720), (4, 34544360), (5, 27635488), (8, 17272180), (10, 13817744), (16, 8636090), (20, 6908872), (32, 4318045), (40, 3454436), (80, 1727218), (160, 863609)]