28124380

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{5189}}^1$

素因数の和:5469

約数の個数: 24

約数和(自身を含む): 59290560

約数和(自身を除く): 31166180

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 5189, 5420, 10378, 20756, 25945, 51890, 103780, 1406219, 2812438, 5624876, 7031095, 14062190, 28124380]

約数ペア:

[(1, 28124380), (2, 14062190), (4, 7031095), (5, 5624876), (10, 2812438), (20, 1406219), (271, 103780), (542, 51890), (1084, 25945), (1355, 20756), (2710, 10378), (5189, 5420)]