40644380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{290317}}^1$

素因数の和:290333

約数の個数: 24

約数和(自身を含む): 97546848

約数和(自身を除く): 56902468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 290317, 580634, 1161268, 1451585, 2032219, 2903170, 4064438, 5806340, 8128876, 10161095, 20322190, 40644380]

約数ペア:

[(1, 40644380), (2, 20322190), (4, 10161095), (5, 8128876), (7, 5806340), (10, 4064438), (14, 2903170), (20, 2032219), (28, 1451585), (35, 1161268), (70, 580634), (140, 290317)]