157028520640

素因数分解:

$2^6\times 5^1\times {\mathrm{490714127}}^1$

素因数の和:490714144

約数の個数: 28

約数和(自身を含む): 373924165536

約数和(自身を除く): 216895644896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 490714127, 981428254, 1962856508, 2453570635, 3925713016, 4907141270, 7851426032, 9814282540, 15702852064, 19628565080, 31405704128, 39257130160, 78514260320, 157028520640]

約数ペア:

[(1, 157028520640), (2, 78514260320), (4, 39257130160), (5, 31405704128), (8, 19628565080), (10, 15702852064), (16, 9814282540), (20, 7851426032), (32, 4907141270), (40, 3925713016), (64, 2453570635), (80, 1962856508), (160, 981428254), (320, 490714127)]