77406880

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{11251}}^1$

素因数の和:11309

約数の個数: 48

約数和(自身を含む): 187143264

約数和(自身を除く): 109736384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 6880, 11251, 22502, 45004, 56255, 90008, 112510, 180016, 225020, 360032, 450040, 483793, 900080, 967586, 1800160, 1935172, 2418965, 3870344, 4837930, 7740688, 9675860, 15481376, 19351720, 38703440, 77406880]

約数ペア:

[(1, 77406880), (2, 38703440), (4, 19351720), (5, 15481376), (8, 9675860), (10, 7740688), (16, 4837930), (20, 3870344), (32, 2418965), (40, 1935172), (43, 1800160), (80, 967586), (86, 900080), (160, 483793), (172, 450040), (215, 360032), (344, 225020), (430, 180016), (688, 112510), (860, 90008), (1376, 56255), (1720, 45004), (3440, 22502), (6880, 11251)]