139686320

素因数分解:

$2^4\times 5^1\times {\mathrm{269}}^1\times {\mathrm{6491}}^1$

素因数の和:6773

約数の個数: 40

約数和(自身を含む): 326028240

約数和(自身を除く): 186341920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 269, 538, 1076, 1345, 2152, 2690, 4304, 5380, 6491, 10760, 12982, 21520, 25964, 32455, 51928, 64910, 103856, 129820, 259640, 519280, 1746079, 3492158, 6984316, 8730395, 13968632, 17460790, 27937264, 34921580, 69843160, 139686320]

約数ペア:

[(1, 139686320), (2, 69843160), (4, 34921580), (5, 27937264), (8, 17460790), (10, 13968632), (16, 8730395), (20, 6984316), (40, 3492158), (80, 1746079), (269, 519280), (538, 259640), (1076, 129820), (1345, 103856), (2152, 64910), (2690, 51928), (4304, 32455), (5380, 25964), (6491, 21520), (10760, 12982)]