13104440

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1663}}^1$

素因数の和:1871

約数の個数: 32

約数和(自身を含む): 29652480

約数和(自身を除く): 16548040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1663, 1970, 3326, 3940, 6652, 7880, 8315, 13304, 16630, 33260, 66520, 327611, 655222, 1310444, 1638055, 2620888, 3276110, 6552220, 13104440]

約数ペア:

[(1, 13104440), (2, 6552220), (4, 3276110), (5, 2620888), (8, 1638055), (10, 1310444), (20, 655222), (40, 327611), (197, 66520), (394, 33260), (788, 16630), (985, 13304), (1576, 8315), (1663, 7880), (1970, 6652), (3326, 3940)]