40685540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{290611}}^1$

素因数の和:290627

約数の個数: 24

約数和(自身を含む): 97645632

約数和(自身を除く): 56960092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 290611, 581222, 1162444, 1453055, 2034277, 2906110, 4068554, 5812220, 8137108, 10171385, 20342770, 40685540]

約数ペア:

[(1, 40685540), (2, 20342770), (4, 10171385), (5, 8137108), (7, 5812220), (10, 4068554), (14, 2906110), (20, 2034277), (28, 1453055), (35, 1162444), (70, 581222), (140, 290611)]