28698140

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{14207}}^1$

素因数の和:14317

約数の個数: 24

約数和(自身を含む): 60867072

約数和(自身を除く): 32168932

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 14207, 28414, 56828, 71035, 142070, 284140, 1434907, 2869814, 5739628, 7174535, 14349070, 28698140]

約数ペア:

[(1, 28698140), (2, 14349070), (4, 7174535), (5, 5739628), (10, 2869814), (20, 1434907), (101, 284140), (202, 142070), (404, 71035), (505, 56828), (1010, 28414), (2020, 14207)]