672451580

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{124991}}^1$

素因数の和:125269

約数の個数: 24

約数和(自身を含む): 1417409280

約数和(自身を除く): 744957700

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 5380, 124991, 249982, 499964, 624955, 1249910, 2499820, 33622579, 67245158, 134490316, 168112895, 336225790, 672451580]

約数ペア:

[(1, 672451580), (2, 336225790), (4, 168112895), (5, 134490316), (10, 67245158), (20, 33622579), (269, 2499820), (538, 1249910), (1076, 624955), (1345, 499964), (2690, 249982), (5380, 124991)]