12287920

素因数分解:

$2^4\times 5^1\times {\mathrm{269}}^1\times {\mathrm{571}}^1$

素因数の和:853

約数の個数: 40

約数和(自身を含む): 28725840

約数和(自身を除く): 16437920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 269, 538, 571, 1076, 1142, 1345, 2152, 2284, 2690, 2855, 4304, 4568, 5380, 5710, 9136, 10760, 11420, 21520, 22840, 45680, 153599, 307198, 614396, 767995, 1228792, 1535990, 2457584, 3071980, 6143960, 12287920]

約数ペア:

[(1, 12287920), (2, 6143960), (4, 3071980), (5, 2457584), (8, 1535990), (10, 1228792), (16, 767995), (20, 614396), (40, 307198), (80, 153599), (269, 45680), (538, 22840), (571, 21520), (1076, 11420), (1142, 10760), (1345, 9136), (2152, 5710), (2284, 5380), (2690, 4568), (2855, 4304)]