129132800

素因数分解:

$2^8\times 5^2\times {\mathrm{20177}}^1$

素因数の和:20203

約数の個数: 54

約数和(自身を含む): 319639698

約数和(自身を除く): 190506898

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 3200, 6400, 20177, 40354, 80708, 100885, 161416, 201770, 322832, 403540, 504425, 645664, 807080, 1008850, 1291328, 1614160, 2017700, 2582656, 3228320, 4035400, 5165312, 6456640, 8070800, 12913280, 16141600, 25826560, 32283200, 64566400, 129132800]

約数ペア:

[(1, 129132800), (2, 64566400), (4, 32283200), (5, 25826560), (8, 16141600), (10, 12913280), (16, 8070800), (20, 6456640), (25, 5165312), (32, 4035400), (40, 3228320), (50, 2582656), (64, 2017700), (80, 1614160), (100, 1291328), (128, 1008850), (160, 807080), (200, 645664), (256, 504425), (320, 403540), (400, 322832), (640, 201770), (800, 161416), (1280, 100885), (1600, 80708), (3200, 40354), (6400, 20177)]