40304740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12517}}^1$

素因数の和:12556

約数の個数: 48

約数和(自身を含む): 100945152

約数和(自身を除く): 60640412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 12517, 25034, 50068, 62585, 87619, 125170, 175238, 250340, 287891, 350476, 438095, 575782, 876190, 1151564, 1439455, 1752380, 2015237, 2878910, 4030474, 5757820, 8060948, 10076185, 20152370, 40304740]

約数ペア:

[(1, 40304740), (2, 20152370), (4, 10076185), (5, 8060948), (7, 5757820), (10, 4030474), (14, 2878910), (20, 2015237), (23, 1752380), (28, 1439455), (35, 1151564), (46, 876190), (70, 575782), (92, 438095), (115, 350476), (140, 287891), (161, 250340), (230, 175238), (322, 125170), (460, 87619), (644, 62585), (805, 50068), (1610, 25034), (3220, 12517)]