31640140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{226001}}^1$

素因数の和:226017

約数の個数: 24

約数和(自身を含む): 75936672

約数和(自身を除く): 44296532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 226001, 452002, 904004, 1130005, 1582007, 2260010, 3164014, 4520020, 6328028, 7910035, 15820070, 31640140]

約数ペア:

[(1, 31640140), (2, 15820070), (4, 7910035), (5, 6328028), (7, 4520020), (10, 3164014), (14, 2260010), (20, 1582007), (28, 1130005), (35, 904004), (70, 452002), (140, 226001)]