128412299200

素因数分解:

$2^6\times 5^2\times {\mathrm{641}}^1\times {\mathrm{125207}}^1$

素因数の和:125870

約数の個数: 84

約数和(自身を含む): 316469981232

約数和(自身を除く): 188057682032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 641, 800, 1282, 1600, 2564, 3205, 5128, 6410, 10256, 12820, 16025, 20512, 25640, 32050, 41024, 51280, 64100, 102560, 125207, 128200, 205120, 250414, 256400, 500828, 512800, 626035, 1001656, 1025600, 1252070, 2003312, 2504140, 3130175, 4006624, 5008280, 6260350, 8013248, 10016560, 12520700, 20033120, 25041400, 40066240, 50082800, 80257687, 100165600, 160515374, 200331200, 321030748, 401288435, 642061496, 802576870, 1284122992, 1605153740, 2006442175, 2568245984, 3210307480, 4012884350, 5136491968, 6420614960, 8025768700, 12841229920, 16051537400, 25682459840, 32103074800, 64206149600, 128412299200]

約数ペア:

[(1, 128412299200), (2, 64206149600), (4, 32103074800), (5, 25682459840), (8, 16051537400), (10, 12841229920), (16, 8025768700), (20, 6420614960), (25, 5136491968), (32, 4012884350), (40, 3210307480), (50, 2568245984), (64, 2006442175), (80, 1605153740), (100, 1284122992), (160, 802576870), (200, 642061496), (320, 401288435), (400, 321030748), (641, 200331200), (800, 160515374), (1282, 100165600), (1600, 80257687), (2564, 50082800), (3205, 40066240), (5128, 25041400), (6410, 20033120), (10256, 12520700), (12820, 10016560), (16025, 8013248), (20512, 6260350), (25640, 5008280), (32050, 4006624), (41024, 3130175), (51280, 2504140), (64100, 2003312), (102560, 1252070), (125207, 1025600), (128200, 1001656), (205120, 626035), (250414, 512800), (256400, 500828)]