72556540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{518261}}^1$

素因数の和:518277

約数の個数: 24

約数和(自身を含む): 174136032

約数和(自身を除く): 101579492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 518261, 1036522, 2073044, 2591305, 3627827, 5182610, 7255654, 10365220, 14511308, 18139135, 36278270, 72556540]

約数ペア:

[(1, 72556540), (2, 36278270), (4, 18139135), (5, 14511308), (7, 10365220), (10, 7255654), (14, 5182610), (20, 3627827), (28, 2591305), (35, 2073044), (70, 1036522), (140, 518261)]