248139560

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{32479}}^1$

素因数の和:32681

約数の個数: 32

約数和(自身を含む): 561254400

約数和(自身を除く): 313114840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 32479, 64958, 129916, 162395, 259832, 324790, 649580, 1299160, 6203489, 12406978, 24813956, 31017445, 49627912, 62034890, 124069780, 248139560]

約数ペア:

[(1, 248139560), (2, 124069780), (4, 62034890), (5, 49627912), (8, 31017445), (10, 24813956), (20, 12406978), (40, 6203489), (191, 1299160), (382, 649580), (764, 324790), (955, 259832), (1528, 162395), (1910, 129916), (3820, 64958), (7640, 32479)]