13107920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:372

約数の個数: 80

約数和(自身を含む): 35354880

約数和(自身を除く): 22246960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 89, 112, 140, 178, 263, 280, 356, 445, 526, 560, 623, 712, 890, 1052, 1246, 1315, 1424, 1780, 1841, 2104, 2492, 2630, 3115, 3560, 3682, 4208, 4984, 5260, 6230, 7120, 7364, 9205, 9968, 10520, 12460, 14728, 18410, 21040, 23407, 24920, 29456, 36820, 46814, 49840, 73640, 93628, 117035, 147280, 163849, 187256, 234070, 327698, 374512, 468140, 655396, 819245, 936280, 1310792, 1638490, 1872560, 2621584, 3276980, 6553960, 13107920]

約数ペア:

[(1, 13107920), (2, 6553960), (4, 3276980), (5, 2621584), (7, 1872560), (8, 1638490), (10, 1310792), (14, 936280), (16, 819245), (20, 655396), (28, 468140), (35, 374512), (40, 327698), (56, 234070), (70, 187256), (80, 163849), (89, 147280), (112, 117035), (140, 93628), (178, 73640), (263, 49840), (280, 46814), (356, 36820), (445, 29456), (526, 24920), (560, 23407), (623, 21040), (712, 18410), (890, 14728), (1052, 12460), (1246, 10520), (1315, 9968), (1424, 9205), (1780, 7364), (1841, 7120), (2104, 6230), (2492, 5260), (2630, 4984), (3115, 4208), (3560, 3682)]