5219120

素因数分解:

$2^4\times 5^1\times {\mathrm{65239}}^1$

素因数の和:65252

約数の個数: 20

約数和(自身を含む): 12134640

約数和(自身を除く): 6915520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 65239, 130478, 260956, 326195, 521912, 652390, 1043824, 1304780, 2609560, 5219120]

約数ペア:

[(1, 5219120), (2, 2609560), (4, 1304780), (5, 1043824), (8, 652390), (10, 521912), (16, 326195), (20, 260956), (40, 130478), (80, 65239)]