82181260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{2089}}^1$

素因数の和:2386

約数の個数: 48

約数和(自身を含む): 198031680

約数和(自身を除く): 115850420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 281, 562, 1124, 1405, 1967, 2089, 2810, 3934, 4178, 5620, 7868, 8356, 9835, 10445, 14623, 19670, 20890, 29246, 39340, 41780, 58492, 73115, 146230, 292460, 587009, 1174018, 2348036, 2935045, 4109063, 5870090, 8218126, 11740180, 16436252, 20545315, 41090630, 82181260]

約数ペア:

[(1, 82181260), (2, 41090630), (4, 20545315), (5, 16436252), (7, 11740180), (10, 8218126), (14, 5870090), (20, 4109063), (28, 2935045), (35, 2348036), (70, 1174018), (140, 587009), (281, 292460), (562, 146230), (1124, 73115), (1405, 58492), (1967, 41780), (2089, 39340), (2810, 29246), (3934, 20890), (4178, 19670), (5620, 14623), (7868, 10445), (8356, 9835)]