20136164480

素因数分解:

$2^7\times 5^1\times {\mathrm{31462757}}^1$

素因数の和:31462776

約数の個数: 32

約数和(自身を含む): 48138019740

約数和(自身を除く): 28001855260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 31462757, 62925514, 125851028, 157313785, 251702056, 314627570, 503404112, 629255140, 1006808224, 1258510280, 2013616448, 2517020560, 4027232896, 5034041120, 10068082240, 20136164480]

約数ペア:

[(1, 20136164480), (2, 10068082240), (4, 5034041120), (5, 4027232896), (8, 2517020560), (10, 2013616448), (16, 1258510280), (20, 1006808224), (32, 629255140), (40, 503404112), (64, 314627570), (80, 251702056), (128, 157313785), (160, 125851028), (320, 62925514), (640, 31462757)]