42637940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{1153}}^1$

素因数の和:1248

約数の個数: 36

約数和(自身を含む): 91749924

約数和(自身を除く): 49111984

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1153, 1849, 2306, 3698, 4612, 5765, 7396, 9245, 11530, 18490, 23060, 36980, 49579, 99158, 198316, 247895, 495790, 991580, 2131897, 4263794, 8527588, 10659485, 21318970, 42637940]

約数ペア:

[(1, 42637940), (2, 21318970), (4, 10659485), (5, 8527588), (10, 4263794), (20, 2131897), (43, 991580), (86, 495790), (172, 247895), (215, 198316), (430, 99158), (860, 49579), (1153, 36980), (1849, 23060), (2306, 18490), (3698, 11530), (4612, 9245), (5765, 7396)]