13485440

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1109}}^1$

素因数の和:1147

約数の個数: 64

約数和(自身を含む): 33966000

約数和(自身を除く): 20480560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1109, 1216, 1520, 2218, 2432, 3040, 4436, 5545, 6080, 8872, 11090, 12160, 17744, 21071, 22180, 35488, 42142, 44360, 70976, 84284, 88720, 105355, 141952, 168568, 177440, 210710, 337136, 354880, 421420, 674272, 709760, 842840, 1348544, 1685680, 2697088, 3371360, 6742720, 13485440]

約数ペア:

[(1, 13485440), (2, 6742720), (4, 3371360), (5, 2697088), (8, 1685680), (10, 1348544), (16, 842840), (19, 709760), (20, 674272), (32, 421420), (38, 354880), (40, 337136), (64, 210710), (76, 177440), (80, 168568), (95, 141952), (128, 105355), (152, 88720), (160, 84284), (190, 70976), (304, 44360), (320, 42142), (380, 35488), (608, 22180), (640, 21071), (760, 17744), (1109, 12160), (1216, 11090), (1520, 8872), (2218, 6080), (2432, 5545), (3040, 4436)]