811209040

素因数分解:

$2^4\times 5^1\times {\mathrm{10140113}}^1$

素因数の和:10140126

約数の個数: 20

約数和(自身を含む): 1886061204

約数和(自身を除く): 1074852164

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10140113, 20280226, 40560452, 50700565, 81120904, 101401130, 162241808, 202802260, 405604520, 811209040]

約数ペア:

[(1, 811209040), (2, 405604520), (4, 202802260), (5, 162241808), (8, 101401130), (10, 81120904), (16, 50700565), (20, 40560452), (40, 20280226), (80, 10140113)]