28169660

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{8641}}^1$

素因数の和:8813

約数の個数: 24

約数和(自身を含む): 59526096

約数和(自身を除く): 31356436

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 8641, 17282, 34564, 43205, 86410, 172820, 1408483, 2816966, 5633932, 7042415, 14084830, 28169660]

約数ペア:

[(1, 28169660), (2, 14084830), (4, 7042415), (5, 5633932), (10, 2816966), (20, 1408483), (163, 172820), (326, 86410), (652, 43205), (815, 34564), (1630, 17282), (3260, 8641)]