251144240

素因数分解:

$2^4\times 5^1\times {\mathrm{3139303}}^1$

素因数の和:3139316

約数の個数: 20

約数和(自身を含む): 583910544

約数和(自身を除く): 332766304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3139303, 6278606, 12557212, 15696515, 25114424, 31393030, 50228848, 62786060, 125572120, 251144240]

約数ペア:

[(1, 251144240), (2, 125572120), (4, 62786060), (5, 50228848), (8, 31393030), (10, 25114424), (16, 15696515), (20, 12557212), (40, 6278606), (80, 3139303)]