2106606640

素因数分解:

$2^4\times 5^1\times {\mathrm{26332583}}^1$

素因数の和:26332596

約数の個数: 20

約数和(自身を含む): 4897860624

約数和(自身を除く): 2791253984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 26332583, 52665166, 105330332, 131662915, 210660664, 263325830, 421321328, 526651660, 1053303320, 2106606640]

約数ペア:

[(1, 2106606640), (2, 1053303320), (4, 526651660), (5, 421321328), (8, 263325830), (10, 210660664), (16, 131662915), (20, 105330332), (40, 52665166), (80, 26332583)]