68995760

素因数分解:

$2^4\times 5^1\times {\mathrm{862447}}^1$

素因数の和:862460

約数の個数: 20

約数和(自身を含む): 160415328

約数和(自身を除く): 91419568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 862447, 1724894, 3449788, 4312235, 6899576, 8624470, 13799152, 17248940, 34497880, 68995760]

約数ペア:

[(1, 68995760), (2, 34497880), (4, 17248940), (5, 13799152), (8, 8624470), (10, 6899576), (16, 4312235), (20, 3449788), (40, 1724894), (80, 862447)]