49779440

素因数分解:

$2^4\times 5^1\times {\mathrm{622243}}^1$

素因数の和:622256

約数の個数: 20

約数和(自身を含む): 115737384

約数和(自身を除く): 65957944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 622243, 1244486, 2488972, 3111215, 4977944, 6222430, 9955888, 12444860, 24889720, 49779440]

約数ペア:

[(1, 49779440), (2, 24889720), (4, 12444860), (5, 9955888), (8, 6222430), (10, 4977944), (16, 3111215), (20, 2488972), (40, 1244486), (80, 622243)]