267803840

素因数分解:

$2^6\times 5^1\times {\mathrm{401}}^1\times {\mathrm{2087}}^1$

素因数の和:2505

約数の個数: 56

約数和(自身を含む): 639604512

約数和(自身を除く): 371800672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 401, 802, 1604, 2005, 2087, 3208, 4010, 4174, 6416, 8020, 8348, 10435, 12832, 16040, 16696, 20870, 25664, 32080, 33392, 41740, 64160, 66784, 83480, 128320, 133568, 166960, 333920, 667840, 836887, 1673774, 3347548, 4184435, 6695096, 8368870, 13390192, 16737740, 26780384, 33475480, 53560768, 66950960, 133901920, 267803840]

約数ペア:

[(1, 267803840), (2, 133901920), (4, 66950960), (5, 53560768), (8, 33475480), (10, 26780384), (16, 16737740), (20, 13390192), (32, 8368870), (40, 6695096), (64, 4184435), (80, 3347548), (160, 1673774), (320, 836887), (401, 667840), (802, 333920), (1604, 166960), (2005, 133568), (2087, 128320), (3208, 83480), (4010, 66784), (4174, 64160), (6416, 41740), (8020, 33392), (8348, 32080), (10435, 25664), (12832, 20870), (16040, 16696)]