200430640

素因数分解:

$2^4\times 5^1\times {\mathrm{2505383}}^1$

素因数の和:2505396

約数の個数: 20

約数和(自身を含む): 466001424

約数和(自身を除く): 265570784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2505383, 5010766, 10021532, 12526915, 20043064, 25053830, 40086128, 50107660, 100215320, 200430640]

約数ペア:

[(1, 200430640), (2, 100215320), (4, 50107660), (5, 40086128), (8, 25053830), (10, 20043064), (16, 12526915), (20, 10021532), (40, 5010766), (80, 2505383)]