1268752460

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{246839}}^1$

素因数の和:247105

約数の個数: 24

約数和(自身を含む): 2674758240

約数和(自身を除く): 1406005780

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 246839, 493678, 987356, 1234195, 2468390, 4936780, 63437623, 126875246, 253750492, 317188115, 634376230, 1268752460]

約数ペア:

[(1, 1268752460), (2, 634376230), (4, 317188115), (5, 253750492), (10, 126875246), (20, 63437623), (257, 4936780), (514, 2468390), (1028, 1234195), (1285, 987356), (2570, 493678), (5140, 246839)]