12572140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1009}}^1$

素因数の和:1114

約数の個数: 48

約数和(自身を含む): 30542400

約数和(自身を除く): 17970260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1009, 1246, 1780, 2018, 2492, 3115, 4036, 5045, 6230, 7063, 10090, 12460, 14126, 20180, 28252, 35315, 70630, 89801, 141260, 179602, 359204, 449005, 628607, 898010, 1257214, 1796020, 2514428, 3143035, 6286070, 12572140]

約数ペア:

[(1, 12572140), (2, 6286070), (4, 3143035), (5, 2514428), (7, 1796020), (10, 1257214), (14, 898010), (20, 628607), (28, 449005), (35, 359204), (70, 179602), (89, 141260), (140, 89801), (178, 70630), (356, 35315), (445, 28252), (623, 20180), (890, 14126), (1009, 12460), (1246, 10090), (1780, 7063), (2018, 6230), (2492, 5045), (3115, 4036)]