19975520

素因数分解:

$2^5\times 5^1\times {\mathrm{124847}}^1$

素因数の和:124862

約数の個数: 24

約数和(自身を含む): 47192544

約数和(自身を除く): 27217024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 124847, 249694, 499388, 624235, 998776, 1248470, 1997552, 2496940, 3995104, 4993880, 9987760, 19975520]

約数ペア:

[(1, 19975520), (2, 9987760), (4, 4993880), (5, 3995104), (8, 2496940), (10, 1997552), (16, 1248470), (20, 998776), (32, 624235), (40, 499388), (80, 249694), (160, 124847)]