320110520

素因数分解:

$2^3\times 5^1\times {\mathrm{2269}}^1\times {\mathrm{3527}}^1$

素因数の和:5807

約数の個数: 32

約数和(自身を含む): 720770400

約数和(自身を除く): 400659880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2269, 3527, 4538, 7054, 9076, 11345, 14108, 17635, 18152, 22690, 28216, 35270, 45380, 70540, 90760, 141080, 8002763, 16005526, 32011052, 40013815, 64022104, 80027630, 160055260, 320110520]

約数ペア:

[(1, 320110520), (2, 160055260), (4, 80027630), (5, 64022104), (8, 40013815), (10, 32011052), (20, 16005526), (40, 8002763), (2269, 141080), (3527, 90760), (4538, 70540), (7054, 45380), (9076, 35270), (11345, 28216), (14108, 22690), (17635, 18152)]