28783180

素因数分解:

$2^2\times 5^1\times {\mathrm{1171}}^1\times {\mathrm{1229}}^1$

素因数の和:2409

約数の個数: 24

約数和(自身を含む): 60545520

約数和(自身を除く): 31762340

約数列:

[1, 2, 4, 5, 10, 20, 1171, 1229, 2342, 2458, 4684, 4916, 5855, 6145, 11710, 12290, 23420, 24580, 1439159, 2878318, 5756636, 7195795, 14391590, 28783180]

約数ペア:

[(1, 28783180), (2, 14391590), (4, 7195795), (5, 5756636), (10, 2878318), (20, 1439159), (1171, 24580), (1229, 23420), (2342, 12290), (2458, 11710), (4684, 6145), (4916, 5855)]