202378520

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{49121}}^1$

素因数の和:49235

約数の個数: 32

約数和(自身を含む): 459781920

約数和(自身を除く): 257403400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 49121, 98242, 196484, 245605, 392968, 491210, 982420, 1964840, 5059463, 10118926, 20237852, 25297315, 40475704, 50594630, 101189260, 202378520]

約数ペア:

[(1, 202378520), (2, 101189260), (4, 50594630), (5, 40475704), (8, 25297315), (10, 20237852), (20, 10118926), (40, 5059463), (103, 1964840), (206, 982420), (412, 491210), (515, 392968), (824, 245605), (1030, 196484), (2060, 98242), (4120, 49121)]