2581845040

素因数分解:

$2^4\times 5^1\times {\mathrm{233}}^1\times {\mathrm{138511}}^1$

素因数の和:138757

約数の個数: 40

約数和(自身を含む): 6028596288

約数和(自身を除く): 3446751248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 233, 466, 932, 1165, 1864, 2330, 3728, 4660, 9320, 18640, 138511, 277022, 554044, 692555, 1108088, 1385110, 2216176, 2770220, 5540440, 11080880, 32273063, 64546126, 129092252, 161365315, 258184504, 322730630, 516369008, 645461260, 1290922520, 2581845040]

約数ペア:

[(1, 2581845040), (2, 1290922520), (4, 645461260), (5, 516369008), (8, 322730630), (10, 258184504), (16, 161365315), (20, 129092252), (40, 64546126), (80, 32273063), (233, 11080880), (466, 5540440), (932, 2770220), (1165, 2216176), (1864, 1385110), (2330, 1108088), (3728, 692555), (4660, 554044), (9320, 277022), (18640, 138511)]