201638960

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{18133}}^1$

素因数の和:18285

約数の個数: 40

約数和(自身を含む): 472209360

約数和(自身を除く): 270570400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 5560, 11120, 18133, 36266, 72532, 90665, 145064, 181330, 290128, 362660, 725320, 1450640, 2520487, 5040974, 10081948, 12602435, 20163896, 25204870, 40327792, 50409740, 100819480, 201638960]

約数ペア:

[(1, 201638960), (2, 100819480), (4, 50409740), (5, 40327792), (8, 25204870), (10, 20163896), (16, 12602435), (20, 10081948), (40, 5040974), (80, 2520487), (139, 1450640), (278, 725320), (556, 362660), (695, 290128), (1112, 181330), (1390, 145064), (2224, 90665), (2780, 72532), (5560, 36266), (11120, 18133)]