40853072

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{997}}^1$

素因数の和:1215

約数の個数: 40

約数和(自身を含む): 85760136

約数和(自身を除く): 44907064

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 197, 208, 394, 788, 997, 1576, 1994, 2561, 3152, 3988, 5122, 7976, 10244, 12961, 15952, 20488, 25922, 40976, 51844, 103688, 196409, 207376, 392818, 785636, 1571272, 2553317, 3142544, 5106634, 10213268, 20426536, 40853072]

約数ペア:

[(1, 40853072), (2, 20426536), (4, 10213268), (8, 5106634), (13, 3142544), (16, 2553317), (26, 1571272), (52, 785636), (104, 392818), (197, 207376), (208, 196409), (394, 103688), (788, 51844), (997, 40976), (1576, 25922), (1994, 20488), (2561, 15952), (3152, 12961), (3988, 10244), (5122, 7976)]