320121160

素因数分解:

$2^3\times 5^1\times {\mathrm{8003029}}^1$

素因数の和:8003040

約数の個数: 16

約数和(自身を含む): 720272700

約数和(自身を除く): 400151540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 8003029, 16006058, 32012116, 40015145, 64024232, 80030290, 160060580, 320121160]

約数ペア:

[(1, 320121160), (2, 160060580), (4, 80030290), (5, 64024232), (8, 40015145), (10, 32012116), (20, 16006058), (40, 8003029)]