8517440

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{619}}^1$

素因数の和:679

約数の個数: 56

約数和(自身を含む): 20787360

約数和(自身を除く): 12269920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 160, 172, 215, 320, 344, 430, 619, 688, 860, 1238, 1376, 1720, 2476, 2752, 3095, 3440, 4952, 6190, 6880, 9904, 12380, 13760, 19808, 24760, 26617, 39616, 49520, 53234, 99040, 106468, 133085, 198080, 212936, 266170, 425872, 532340, 851744, 1064680, 1703488, 2129360, 4258720, 8517440]

約数ペア:

[(1, 8517440), (2, 4258720), (4, 2129360), (5, 1703488), (8, 1064680), (10, 851744), (16, 532340), (20, 425872), (32, 266170), (40, 212936), (43, 198080), (64, 133085), (80, 106468), (86, 99040), (160, 53234), (172, 49520), (215, 39616), (320, 26617), (344, 24760), (430, 19808), (619, 13760), (688, 12380), (860, 9904), (1238, 6880), (1376, 6190), (1720, 4952), (2476, 3440), (2752, 3095)]