13303519120

素因数分解:

$2^4\times 5^1\times {\mathrm{641}}^1\times {\mathrm{259429}}^1$

素因数の和:260083

約数の個数: 40

約数和(自身を含む): 30979055160

約数和(自身を除く): 17675536040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 641, 1282, 2564, 3205, 5128, 6410, 10256, 12820, 25640, 51280, 259429, 518858, 1037716, 1297145, 2075432, 2594290, 4150864, 5188580, 10377160, 20754320, 166293989, 332587978, 665175956, 831469945, 1330351912, 1662939890, 2660703824, 3325879780, 6651759560, 13303519120]

約数ペア:

[(1, 13303519120), (2, 6651759560), (4, 3325879780), (5, 2660703824), (8, 1662939890), (10, 1330351912), (16, 831469945), (20, 665175956), (40, 332587978), (80, 166293989), (641, 20754320), (1282, 10377160), (2564, 5188580), (3205, 4150864), (5128, 2594290), (6410, 2075432), (10256, 1297145), (12820, 1037716), (25640, 518858), (51280, 259429)]