9405140

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1117}}^1$

素因数の和:1547

約数の個数: 24

約数和(自身を含む): 19815432

約数和(自身を除く): 10410292

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1117, 1684, 2105, 2234, 4210, 4468, 5585, 8420, 11170, 22340, 470257, 940514, 1881028, 2351285, 4702570, 9405140]

約数ペア:

[(1, 9405140), (2, 4702570), (4, 2351285), (5, 1881028), (10, 940514), (20, 470257), (421, 22340), (842, 11170), (1117, 8420), (1684, 5585), (2105, 4468), (2234, 4210)]