2556302020

素因数分解:

$2^2\times 5^1\times {\mathrm{4111}}^1\times {\mathrm{31091}}^1$

素因数の和:35211

約数の個数: 24

約数和(自身を含む): 5369712768

約数和(自身を除く): 2813410748

約数列:

[1, 2, 4, 5, 10, 20, 4111, 8222, 16444, 20555, 31091, 41110, 62182, 82220, 124364, 155455, 310910, 621820, 127815101, 255630202, 511260404, 639075505, 1278151010, 2556302020]

約数ペア:

[(1, 2556302020), (2, 1278151010), (4, 639075505), (5, 511260404), (10, 255630202), (20, 127815101), (4111, 621820), (8222, 310910), (16444, 155455), (20555, 124364), (31091, 82220), (41110, 62182)]