168657320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{324341}}^1$

素因数の和:324365

約数の個数: 32

約数和(自身を含む): 408670920

約数和(自身を除く): 240013600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 324341, 648682, 1297364, 1621705, 2594728, 3243410, 4216433, 6486820, 8432866, 12973640, 16865732, 21082165, 33731464, 42164330, 84328660, 168657320]

約数ペア:

[(1, 168657320), (2, 84328660), (4, 42164330), (5, 33731464), (8, 21082165), (10, 16865732), (13, 12973640), (20, 8432866), (26, 6486820), (40, 4216433), (52, 3243410), (65, 2594728), (104, 1621705), (130, 1297364), (260, 648682), (520, 324341)]