218804530160

素因数分解:

$2^4\times 5^1\times {\mathrm{2735056627}}^1$

素因数の和:2735056640

約数の個数: 20

約数和(自身を含む): 508720532808

約数和(自身を除く): 289916002648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2735056627, 5470113254, 10940226508, 13675283135, 21880453016, 27350566270, 43760906032, 54701132540, 109402265080, 218804530160]

約数ペア:

[(1, 218804530160), (2, 109402265080), (4, 54701132540), (5, 43760906032), (8, 27350566270), (10, 21880453016), (16, 13675283135), (20, 10940226508), (40, 5470113254), (80, 2735056627)]