89140820

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{66523}}^1$

素因数の和:66599

約数の個数: 24

約数和(自身を含む): 189992544

約数和(自身を除く): 100851724

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 66523, 133046, 266092, 332615, 665230, 1330460, 4457041, 8914082, 17828164, 22285205, 44570410, 89140820]

約数ペア:

[(1, 89140820), (2, 44570410), (4, 22285205), (5, 17828164), (10, 8914082), (20, 4457041), (67, 1330460), (134, 665230), (268, 332615), (335, 266092), (670, 133046), (1340, 66523)]