65147780

素因数分解:

$2^2\times 5^1\times {\mathrm{1607}}^1\times {\mathrm{2027}}^1$

素因数の和:3643

約数の個数: 24

約数和(自身を含む): 136963008

約数和(自身を除く): 71815228

約数列:

[1, 2, 4, 5, 10, 20, 1607, 2027, 3214, 4054, 6428, 8035, 8108, 10135, 16070, 20270, 32140, 40540, 3257389, 6514778, 13029556, 16286945, 32573890, 65147780]

約数ペア:

[(1, 65147780), (2, 32573890), (4, 16286945), (5, 13029556), (10, 6514778), (20, 3257389), (1607, 40540), (2027, 32140), (3214, 20270), (4054, 16070), (6428, 10135), (8035, 8108)]