131593520

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{15091}}^1$

素因数の和:15213

約数の個数: 40

約数和(自身を含む): 308782320

約数和(自身を除く): 177188800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 15091, 30182, 60364, 75455, 120728, 150910, 241456, 301820, 603640, 1207280, 1644919, 3289838, 6579676, 8224595, 13159352, 16449190, 26318704, 32898380, 65796760, 131593520]

約数ペア:

[(1, 131593520), (2, 65796760), (4, 32898380), (5, 26318704), (8, 16449190), (10, 13159352), (16, 8224595), (20, 6579676), (40, 3289838), (80, 1644919), (109, 1207280), (218, 603640), (436, 301820), (545, 241456), (872, 150910), (1090, 120728), (1744, 75455), (2180, 60364), (4360, 30182), (8720, 15091)]