1880971520

素因数分解:

$2^8\times 5^1\times {\mathrm{1469509}}^1$

素因数の和:1469530

約数の個数: 36

約数和(自身を含む): 4505517660

約数和(自身を除く): 2624546140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 1469509, 2939018, 5878036, 7347545, 11756072, 14695090, 23512144, 29390180, 47024288, 58780360, 94048576, 117560720, 188097152, 235121440, 376194304, 470242880, 940485760, 1880971520]

約数ペア:

[(1, 1880971520), (2, 940485760), (4, 470242880), (5, 376194304), (8, 235121440), (10, 188097152), (16, 117560720), (20, 94048576), (32, 58780360), (40, 47024288), (64, 29390180), (80, 23512144), (128, 14695090), (160, 11756072), (256, 7347545), (320, 5878036), (640, 2939018), (1280, 1469509)]