28115660

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61121}}^1$

素因数の和:61153

約数の個数: 24

約数和(自身を含む): 61610976

約数和(自身を除く): 33495316

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 61121, 122242, 244484, 305605, 611210, 1222420, 1405783, 2811566, 5623132, 7028915, 14057830, 28115660]

約数ペア:

[(1, 28115660), (2, 14057830), (4, 7028915), (5, 5623132), (10, 2811566), (20, 1405783), (23, 1222420), (46, 611210), (92, 305605), (115, 244484), (230, 122242), (460, 61121)]