87640220

素因数分解:

$2^2\times 5^1\times {\mathrm{337}}^1\times {\mathrm{13003}}^1$

素因数の和:13349

約数の個数: 24

約数和(自身を含む): 184604784

約数和(自身を除く): 96964564

約数列:

[1, 2, 4, 5, 10, 20, 337, 674, 1348, 1685, 3370, 6740, 13003, 26006, 52012, 65015, 130030, 260060, 4382011, 8764022, 17528044, 21910055, 43820110, 87640220]

約数ペア:

[(1, 87640220), (2, 43820110), (4, 21910055), (5, 17528044), (10, 8764022), (20, 4382011), (337, 260060), (674, 130030), (1348, 65015), (1685, 52012), (3370, 26006), (6740, 13003)]