8540140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61001}}^1$

素因数の和:61017

約数の個数: 24

約数和(自身を含む): 20496672

約数和(自身を除く): 11956532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 61001, 122002, 244004, 305005, 427007, 610010, 854014, 1220020, 1708028, 2135035, 4270070, 8540140]

約数ペア:

[(1, 8540140), (2, 4270070), (4, 2135035), (5, 1708028), (7, 1220020), (10, 854014), (14, 610010), (20, 427007), (28, 305005), (35, 244004), (70, 122002), (140, 61001)]