64754980

素因数分解:

$2^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{6361}}^1$

素因数の和:6879

約数の個数: 24

約数和(自身を含む): 136274040

約数和(自身を除く): 71519060

約数列:

[1, 2, 4, 5, 10, 20, 509, 1018, 2036, 2545, 5090, 6361, 10180, 12722, 25444, 31805, 63610, 127220, 3237749, 6475498, 12950996, 16188745, 32377490, 64754980]

約数ペア:

[(1, 64754980), (2, 32377490), (4, 16188745), (5, 12950996), (10, 6475498), (20, 3237749), (509, 127220), (1018, 63610), (2036, 31805), (2545, 25444), (5090, 12722), (6361, 10180)]