40783780

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1009}}^1$

素因数の和:1108

約数の個数: 48

約数和(自身を含む): 89591040

約数和(自身を除く): 48807260

約数列:

[1, 2, 4, 5, 10, 20, 43, 47, 86, 94, 172, 188, 215, 235, 430, 470, 860, 940, 1009, 2018, 2021, 4036, 4042, 5045, 8084, 10090, 10105, 20180, 20210, 40420, 43387, 47423, 86774, 94846, 173548, 189692, 216935, 237115, 433870, 474230, 867740, 948460, 2039189, 4078378, 8156756, 10195945, 20391890, 40783780]

約数ペア:

[(1, 40783780), (2, 20391890), (4, 10195945), (5, 8156756), (10, 4078378), (20, 2039189), (43, 948460), (47, 867740), (86, 474230), (94, 433870), (172, 237115), (188, 216935), (215, 189692), (235, 173548), (430, 94846), (470, 86774), (860, 47423), (940, 43387), (1009, 40420), (2018, 20210), (2021, 20180), (4036, 10105), (4042, 10090), (5045, 8084)]