65553260

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79943}}^1$

素因数の和:79993

約数の個数: 24

約数和(自身を含む): 141021216

約数和(自身を除く): 75467956

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 79943, 159886, 319772, 399715, 799430, 1598860, 3277663, 6555326, 13110652, 16388315, 32776630, 65553260]

約数ペア:

[(1, 65553260), (2, 32776630), (4, 16388315), (5, 13110652), (10, 6555326), (20, 3277663), (41, 1598860), (82, 799430), (164, 399715), (205, 319772), (410, 159886), (820, 79943)]