12155480

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{743}}^1$

素因数の和:1163

約数の個数: 32

約数和(自身を含む): 27453600

約数和(自身を除く): 15298120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 743, 818, 1486, 1636, 2045, 2972, 3272, 3715, 4090, 5944, 7430, 8180, 14860, 16360, 29720, 303887, 607774, 1215548, 1519435, 2431096, 3038870, 6077740, 12155480]

約数ペア:

[(1, 12155480), (2, 6077740), (4, 3038870), (5, 2431096), (8, 1519435), (10, 1215548), (20, 607774), (40, 303887), (409, 29720), (743, 16360), (818, 14860), (1486, 8180), (1636, 7430), (2045, 5944), (2972, 4090), (3272, 3715)]