64631140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{15919}}^1$

素因数の和:15964

約数の個数: 48

約数和(自身を含む): 160473600

約数和(自身を除く): 95842460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 15919, 31838, 63676, 79595, 111433, 159190, 222866, 318380, 445732, 461651, 557165, 923302, 1114330, 1846604, 2228660, 2308255, 3231557, 4616510, 6463114, 9233020, 12926228, 16157785, 32315570, 64631140]

約数ペア:

[(1, 64631140), (2, 32315570), (4, 16157785), (5, 12926228), (7, 9233020), (10, 6463114), (14, 4616510), (20, 3231557), (28, 2308255), (29, 2228660), (35, 1846604), (58, 1114330), (70, 923302), (116, 557165), (140, 461651), (145, 445732), (203, 318380), (290, 222866), (406, 159190), (580, 111433), (812, 79595), (1015, 63676), (2030, 31838), (4060, 15919)]