207312080

素因数分解:

$2^4\times 5^1\times {\mathrm{2591401}}^1$

素因数の和:2591414

約数の個数: 20

約数和(自身を含む): 482000772

約数和(自身を除く): 274688692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2591401, 5182802, 10365604, 12957005, 20731208, 25914010, 41462416, 51828020, 103656040, 207312080]

約数ペア:

[(1, 207312080), (2, 103656040), (4, 51828020), (5, 41462416), (8, 25914010), (10, 20731208), (16, 12957005), (20, 10365604), (40, 5182802), (80, 2591401)]