28984420

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{8377}}^1$

素因数の和:8559

約数の個数: 24

約数和(自身を含む): 61226424

約数和(自身を除く): 32242004

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 8377, 16754, 33508, 41885, 83770, 167540, 1449221, 2898442, 5796884, 7246105, 14492210, 28984420]

約数ペア:

[(1, 28984420), (2, 14492210), (4, 7246105), (5, 5796884), (10, 2898442), (20, 1449221), (173, 167540), (346, 83770), (692, 41885), (865, 33508), (1730, 16754), (3460, 8377)]