131390360

素因数分解:

$2^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{12211}}^1$

素因数の和:12491

約数の個数: 32

約数和(自身を含む): 296751600

約数和(自身を除く): 165361240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 269, 538, 1076, 1345, 2152, 2690, 5380, 10760, 12211, 24422, 48844, 61055, 97688, 122110, 244220, 488440, 3284759, 6569518, 13139036, 16423795, 26278072, 32847590, 65695180, 131390360]

約数ペア:

[(1, 131390360), (2, 65695180), (4, 32847590), (5, 26278072), (8, 16423795), (10, 13139036), (20, 6569518), (40, 3284759), (269, 488440), (538, 244220), (1076, 122110), (1345, 97688), (2152, 61055), (2690, 48844), (5380, 24422), (10760, 12211)]