47890420

素因数分解:

$2^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{4999}}^1$

素因数の和:5487

約数の個数: 24

約数和(自身を含む): 100800000

約数和(自身を除く): 52909580

約数列:

[1, 2, 4, 5, 10, 20, 479, 958, 1916, 2395, 4790, 4999, 9580, 9998, 19996, 24995, 49990, 99980, 2394521, 4789042, 9578084, 11972605, 23945210, 47890420]

約数ペア:

[(1, 47890420), (2, 23945210), (4, 11972605), (5, 9578084), (10, 4789042), (20, 2394521), (479, 99980), (958, 49990), (1916, 24995), (2395, 19996), (4790, 9998), (4999, 9580)]