65302420

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{23833}}^1$

素因数の和:23979

約数の個数: 24

約数和(自身を含む): 138141864

約数和(自身を除く): 72839444

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 23833, 47666, 95332, 119165, 238330, 476660, 3265121, 6530242, 13060484, 16325605, 32651210, 65302420]

約数ペア:

[(1, 65302420), (2, 32651210), (4, 16325605), (5, 13060484), (10, 6530242), (20, 3265121), (137, 476660), (274, 238330), (548, 119165), (685, 95332), (1370, 47666), (2740, 23833)]