128461540

素因数分解:

$2^2\times 5^1\times {\mathrm{599}}^1\times {\mathrm{10723}}^1$

素因数の和:11331

約数の個数: 24

約数和(自身を含む): 270244800

約数和(自身を除く): 141783260

約数列:

[1, 2, 4, 5, 10, 20, 599, 1198, 2396, 2995, 5990, 10723, 11980, 21446, 42892, 53615, 107230, 214460, 6423077, 12846154, 25692308, 32115385, 64230770, 128461540]

約数ペア:

[(1, 128461540), (2, 64230770), (4, 32115385), (5, 25692308), (10, 12846154), (20, 6423077), (599, 214460), (1198, 107230), (2396, 53615), (2995, 42892), (5990, 21446), (10723, 11980)]