129704840

素因数分解:

$2^3\times 5^1\times {\mathrm{761}}^1\times {\mathrm{4261}}^1$

素因数の和:5033

約数の個数: 32

約数和(自身を含む): 292287960

約数和(自身を除く): 162583120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 761, 1522, 3044, 3805, 4261, 6088, 7610, 8522, 15220, 17044, 21305, 30440, 34088, 42610, 85220, 170440, 3242621, 6485242, 12970484, 16213105, 25940968, 32426210, 64852420, 129704840]

約数ペア:

[(1, 129704840), (2, 64852420), (4, 32426210), (5, 25940968), (8, 16213105), (10, 12970484), (20, 6485242), (40, 3242621), (761, 170440), (1522, 85220), (3044, 42610), (3805, 34088), (4261, 30440), (6088, 21305), (7610, 17044), (8522, 15220)]