10720540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31531}}^1$

素因数の和:31557

約数の個数: 24

約数和(自身を含む): 23838192

約数和(自身を除く): 13117652

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 31531, 63062, 126124, 157655, 315310, 536027, 630620, 1072054, 2144108, 2680135, 5360270, 10720540]

約数ペア:

[(1, 10720540), (2, 5360270), (4, 2680135), (5, 2144108), (10, 1072054), (17, 630620), (20, 536027), (34, 315310), (68, 157655), (85, 126124), (170, 63062), (340, 31531)]