15769840

素因数分解:

$2^4\times 5^1\times {\mathrm{197123}}^1$

素因数の和:197136

約数の個数: 20

約数和(自身を含む): 36665064

約数和(自身を除く): 20895224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197123, 394246, 788492, 985615, 1576984, 1971230, 3153968, 3942460, 7884920, 15769840]

約数ペア:

[(1, 15769840), (2, 7884920), (4, 3942460), (5, 3153968), (8, 1971230), (10, 1576984), (16, 985615), (20, 788492), (40, 394246), (80, 197123)]