13506640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{271}}^1$

素因数の和:380

約数の個数: 80

約数和(自身を含む): 36426240

約数和(自身を除く): 22919600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 89, 112, 140, 178, 271, 280, 356, 445, 542, 560, 623, 712, 890, 1084, 1246, 1355, 1424, 1780, 1897, 2168, 2492, 2710, 3115, 3560, 3794, 4336, 4984, 5420, 6230, 7120, 7588, 9485, 9968, 10840, 12460, 15176, 18970, 21680, 24119, 24920, 30352, 37940, 48238, 49840, 75880, 96476, 120595, 151760, 168833, 192952, 241190, 337666, 385904, 482380, 675332, 844165, 964760, 1350664, 1688330, 1929520, 2701328, 3376660, 6753320, 13506640]

約数ペア:

[(1, 13506640), (2, 6753320), (4, 3376660), (5, 2701328), (7, 1929520), (8, 1688330), (10, 1350664), (14, 964760), (16, 844165), (20, 675332), (28, 482380), (35, 385904), (40, 337666), (56, 241190), (70, 192952), (80, 168833), (89, 151760), (112, 120595), (140, 96476), (178, 75880), (271, 49840), (280, 48238), (356, 37940), (445, 30352), (542, 24920), (560, 24119), (623, 21680), (712, 18970), (890, 15176), (1084, 12460), (1246, 10840), (1355, 9968), (1424, 9485), (1780, 7588), (1897, 7120), (2168, 6230), (2492, 5420), (2710, 4984), (3115, 4336), (3560, 3794)]