25518220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2003}}^1$

素因数の和:2039

約数の個数: 72

約数和(自身を含む): 67166064

約数和(自身を除く): 41647844

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2003, 2548, 3185, 4006, 6370, 8012, 10015, 12740, 14021, 20030, 26039, 28042, 40060, 52078, 56084, 70105, 98147, 104156, 130195, 140210, 182273, 196294, 260390, 280420, 364546, 392588, 490735, 520780, 729092, 911365, 981470, 1275911, 1822730, 1962940, 2551822, 3645460, 5103644, 6379555, 12759110, 25518220]

約数ペア:

[(1, 25518220), (2, 12759110), (4, 6379555), (5, 5103644), (7, 3645460), (10, 2551822), (13, 1962940), (14, 1822730), (20, 1275911), (26, 981470), (28, 911365), (35, 729092), (49, 520780), (52, 490735), (65, 392588), (70, 364546), (91, 280420), (98, 260390), (130, 196294), (140, 182273), (182, 140210), (196, 130195), (245, 104156), (260, 98147), (364, 70105), (455, 56084), (490, 52078), (637, 40060), (910, 28042), (980, 26039), (1274, 20030), (1820, 14021), (2003, 12740), (2548, 10015), (3185, 8012), (4006, 6370)]