2016642640

素因数分解:

$2^4\times 5^1\times {\mathrm{179}}^1\times {\mathrm{140827}}^1$

素因数の和:141019

約数の個数: 40

約数和(自身を含む): 4714921440

約数和(自身を除く): 2698278800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 179, 358, 716, 895, 1432, 1790, 2864, 3580, 7160, 14320, 140827, 281654, 563308, 704135, 1126616, 1408270, 2253232, 2816540, 5633080, 11266160, 25208033, 50416066, 100832132, 126040165, 201664264, 252080330, 403328528, 504160660, 1008321320, 2016642640]

約数ペア:

[(1, 2016642640), (2, 1008321320), (4, 504160660), (5, 403328528), (8, 252080330), (10, 201664264), (16, 126040165), (20, 100832132), (40, 50416066), (80, 25208033), (179, 11266160), (358, 5633080), (716, 2816540), (895, 2253232), (1432, 1408270), (1790, 1126616), (2864, 704135), (3580, 563308), (7160, 281654), (14320, 140827)]