66859840

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^2\times {\mathrm{113}}^1$

素因数の和:216

約数の個数: 84

約数和(自身を含む): 164441124

約数和(自身を除く): 97581284

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 113, 160, 172, 215, 226, 320, 344, 430, 452, 565, 688, 860, 904, 1130, 1376, 1720, 1808, 1849, 2260, 2752, 3440, 3616, 3698, 4520, 4859, 6880, 7232, 7396, 9040, 9245, 9718, 13760, 14792, 18080, 18490, 19436, 24295, 29584, 36160, 36980, 38872, 48590, 59168, 73960, 77744, 97180, 118336, 147920, 155488, 194360, 208937, 295840, 310976, 388720, 417874, 591680, 777440, 835748, 1044685, 1554880, 1671496, 2089370, 3342992, 4178740, 6685984, 8357480, 13371968, 16714960, 33429920, 66859840]

約数ペア:

[(1, 66859840), (2, 33429920), (4, 16714960), (5, 13371968), (8, 8357480), (10, 6685984), (16, 4178740), (20, 3342992), (32, 2089370), (40, 1671496), (43, 1554880), (64, 1044685), (80, 835748), (86, 777440), (113, 591680), (160, 417874), (172, 388720), (215, 310976), (226, 295840), (320, 208937), (344, 194360), (430, 155488), (452, 147920), (565, 118336), (688, 97180), (860, 77744), (904, 73960), (1130, 59168), (1376, 48590), (1720, 38872), (1808, 36980), (1849, 36160), (2260, 29584), (2752, 24295), (3440, 19436), (3616, 18490), (3698, 18080), (4520, 14792), (4859, 13760), (6880, 9718), (7232, 9245), (7396, 9040)]