1649760040

素因数分解:

$2^3\times 5^1\times {\mathrm{41244001}}^1$

素因数の和:41244012

約数の個数: 16

約数和(自身を含む): 3711960180

約数和(自身を除く): 2062200140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41244001, 82488002, 164976004, 206220005, 329952008, 412440010, 824880020, 1649760040]

約数ペア:

[(1, 1649760040), (2, 824880020), (4, 412440010), (5, 329952008), (8, 206220005), (10, 164976004), (20, 82488002), (40, 41244001)]