131078320

素因数分解:

$2^4\times 5^1\times {\mathrm{269}}^1\times {\mathrm{6091}}^1$

素因数の和:6373

約数の個数: 40

約数和(自身を含む): 305940240

約数和(自身を除く): 174861920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 269, 538, 1076, 1345, 2152, 2690, 4304, 5380, 6091, 10760, 12182, 21520, 24364, 30455, 48728, 60910, 97456, 121820, 243640, 487280, 1638479, 3276958, 6553916, 8192395, 13107832, 16384790, 26215664, 32769580, 65539160, 131078320]

約数ペア:

[(1, 131078320), (2, 65539160), (4, 32769580), (5, 26215664), (8, 16384790), (10, 13107832), (16, 8192395), (20, 6553916), (40, 3276958), (80, 1638479), (269, 487280), (538, 243640), (1076, 121820), (1345, 97456), (2152, 60910), (2690, 48728), (4304, 30455), (5380, 24364), (6091, 21520), (10760, 12182)]