80961260

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{2003}}^1$

素因数の和:2102

約数の個数: 48

約数和(自身を含む): 177762816

約数和(自身を除く): 96801556

約数列:

[1, 2, 4, 5, 10, 20, 43, 47, 86, 94, 172, 188, 215, 235, 430, 470, 860, 940, 2003, 2021, 4006, 4042, 8012, 8084, 10015, 10105, 20030, 20210, 40060, 40420, 86129, 94141, 172258, 188282, 344516, 376564, 430645, 470705, 861290, 941410, 1722580, 1882820, 4048063, 8096126, 16192252, 20240315, 40480630, 80961260]

約数ペア:

[(1, 80961260), (2, 40480630), (4, 20240315), (5, 16192252), (10, 8096126), (20, 4048063), (43, 1882820), (47, 1722580), (86, 941410), (94, 861290), (172, 470705), (188, 430645), (215, 376564), (235, 344516), (430, 188282), (470, 172258), (860, 94141), (940, 86129), (2003, 40420), (2021, 40060), (4006, 20210), (4042, 20030), (8012, 10105), (8084, 10015)]