26303440

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1669}}^1$

素因数の和:1879

約数の個数: 40

約数和(自身を含む): 61502760

約数和(自身を除く): 35199320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1669, 1970, 3152, 3338, 3940, 6676, 7880, 8345, 13352, 15760, 16690, 26704, 33380, 66760, 133520, 328793, 657586, 1315172, 1643965, 2630344, 3287930, 5260688, 6575860, 13151720, 26303440]

約数ペア:

[(1, 26303440), (2, 13151720), (4, 6575860), (5, 5260688), (8, 3287930), (10, 2630344), (16, 1643965), (20, 1315172), (40, 657586), (80, 328793), (197, 133520), (394, 66760), (788, 33380), (985, 26704), (1576, 16690), (1669, 15760), (1970, 13352), (3152, 8345), (3338, 7880), (3940, 6676)]