1943900680

素因数分解:

$2^3\times 5^1\times {\mathrm{2137}}^1\times {\mathrm{22741}}^1$

素因数の和:24889

約数の個数: 32

約数和(自身を含む): 4376015640

約数和(自身を除く): 2432114960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2137, 4274, 8548, 10685, 17096, 21370, 22741, 42740, 45482, 85480, 90964, 113705, 181928, 227410, 454820, 909640, 48597517, 97195034, 194390068, 242987585, 388780136, 485975170, 971950340, 1943900680]

約数ペア:

[(1, 1943900680), (2, 971950340), (4, 485975170), (5, 388780136), (8, 242987585), (10, 194390068), (20, 97195034), (40, 48597517), (2137, 909640), (4274, 454820), (8548, 227410), (10685, 181928), (17096, 113705), (21370, 90964), (22741, 85480), (42740, 45482)]