256756211710

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^2\times {\mathrm{2516971}}^1$

素因数の和:2517180

約数の個数: 24

約数和(自身を含む): 466782525288

約数和(自身を除く): 210026313578

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 10201, 20402, 51005, 102010, 2516971, 5033942, 12584855, 25169710, 254214071, 508428142, 1271070355, 2542140710, 25675621171, 51351242342, 128378105855, 256756211710]

約数ペア:

[(1, 256756211710), (2, 128378105855), (5, 51351242342), (10, 25675621171), (101, 2542140710), (202, 1271070355), (505, 508428142), (1010, 254214071), (10201, 25169710), (20402, 12584855), (51005, 5033942), (102010, 2516971)]