161619280

素因数分解:

$2^4\times 5^1\times {\mathrm{317}}^1\times {\mathrm{6373}}^1$

素因数の和:6703

約数の個数: 40

約数和(自身を含む): 377009352

約数和(自身を除く): 215390072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 317, 634, 1268, 1585, 2536, 3170, 5072, 6340, 6373, 12680, 12746, 25360, 25492, 31865, 50984, 63730, 101968, 127460, 254920, 509840, 2020241, 4040482, 8080964, 10101205, 16161928, 20202410, 32323856, 40404820, 80809640, 161619280]

約数ペア:

[(1, 161619280), (2, 80809640), (4, 40404820), (5, 32323856), (8, 20202410), (10, 16161928), (16, 10101205), (20, 8080964), (40, 4040482), (80, 2020241), (317, 509840), (634, 254920), (1268, 127460), (1585, 101968), (2536, 63730), (3170, 50984), (5072, 31865), (6340, 25492), (6373, 25360), (12680, 12746)]